Home / 748,928.55-1,123,392.83-496,986.15

Finding the Fourth Proportional to 748,928.55, 1,123,392.83 and 496,986.15

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Solution

The fourth proportional to 748,928.55, 1,123,392.83 and 496,986.15 is: 745,479.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,928.55 : 1,123,392.83 = 496,986.15 : x
  2. Step 2: Convert to fraction form
    748,928.55/1,123,392.83 = 496,986.15/x
  3. Step 3: Cross multiply
    748,928.55x = 1,123,392.83 × 496,986.15
  4. Step 4: Simplify right side
    748,928.55x = 558,310,675,034.37
  5. Step 5: Solve for x
    x = 558,310,675,034.37/748,928.55
  6. Step 6: Final answer
    x = 745,479.23

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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.