Home / 927,331.80-1,390,220.10-484,099.80

Finding the Fourth Proportional to 927,331.80, 1,390,220.10 and 484,099.80

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Solution

The fourth proportional to 927,331.80, 1,390,220.10 and 484,099.80 is: 725,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,331.80 : 1,390,220.10 = 484,099.80 : x
  2. Step 2: Convert to fraction form
    927,331.80/1,390,220.10 = 484,099.80/x
  3. Step 3: Cross multiply
    927,331.80x = 1,390,220.10 × 484,099.80
  4. Step 4: Simplify right side
    927,331.80x = 673,005,272,365.98
  5. Step 5: Solve for x
    x = 673,005,272,365.98/927,331.80
  6. Step 6: Final answer
    x = 725,743.77

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Double scale
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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.