Home / 970,347.80-1,455,521.70-492,050.90

Finding the Fourth Proportional to 970,347.80, 1,455,521.70 and 492,050.90

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Solution

The fourth proportional to 970,347.80, 1,455,521.70 and 492,050.90 is: 738,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,347.80 : 1,455,521.70 = 492,050.90 : x
  2. Step 2: Convert to fraction form
    970,347.80/1,455,521.70 = 492,050.90/x
  3. Step 3: Cross multiply
    970,347.80x = 1,455,521.70 × 492,050.90
  4. Step 4: Simplify right side
    970,347.80x = 716,190,762,454.53
  5. Step 5: Solve for x
    x = 716,190,762,454.53/970,347.80
  6. Step 6: Final answer
    x = 738,076.35

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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.