Home / 840,505.92-1,159,875.20-458,532.60

Finding the Fourth Proportional to 840,505.92, 1,159,875.20 and 458,532.60

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Solution

The fourth proportional to 840,505.92, 1,159,875.20 and 458,532.60 is: 632,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,505.92 : 1,159,875.20 = 458,532.60 : x
  2. Step 2: Convert to fraction form
    840,505.92/1,159,875.20 = 458,532.60/x
  3. Step 3: Cross multiply
    840,505.92x = 1,159,875.20 × 458,532.60
  4. Step 4: Simplify right side
    840,505.92x = 531,840,591,131.52
  5. Step 5: Solve for x
    x = 531,840,591,131.52/840,505.92
  6. Step 6: Final answer
    x = 632,762.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.