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Finding the Fourth Proportional to 604,229.92, 904,966.16 and 288,909.84

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Solution

The fourth proportional to 604,229.92, 904,966.16 and 288,909.84 is: 432,705.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,229.92 : 904,966.16 = 288,909.84 : x
  2. Step 2: Convert to fraction form
    604,229.92/904,966.16 = 288,909.84/x
  3. Step 3: Cross multiply
    604,229.92x = 904,966.16 × 288,909.84
  4. Step 4: Simplify right side
    604,229.92x = 261,453,628,491.01
  5. Step 5: Solve for x
    x = 261,453,628,491.01/604,229.92
  6. Step 6: Final answer
    x = 432,705.53

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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.