Home / 731,485.80-1,097,228.70-358,237.80

Finding the Fourth Proportional to 731,485.80, 1,097,228.70 and 358,237.80

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Solution

The fourth proportional to 731,485.80, 1,097,228.70 and 358,237.80 is: 537,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,485.80 : 1,097,228.70 = 358,237.80 : x
  2. Step 2: Convert to fraction form
    731,485.80/1,097,228.70 = 358,237.80/x
  3. Step 3: Cross multiply
    731,485.80x = 1,097,228.70 × 358,237.80
  4. Step 4: Simplify right side
    731,485.80x = 393,068,795,584.86
  5. Step 5: Solve for x
    x = 393,068,795,584.86/731,485.80
  6. Step 6: Final answer
    x = 537,356.70

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.