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Finding the Fourth Proportional to 904,650, 1,357,597.08 and 313,674

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Solution

The fourth proportional to 904,650, 1,357,597.08 and 313,674 is: 470,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,650 : 1,357,597.08 = 313,674 : x
  2. Step 2: Convert to fraction form
    904,650/1,357,597.08 = 313,674/x
  3. Step 3: Cross multiply
    904,650x = 1,357,597.08 × 313,674
  4. Step 4: Simplify right side
    904,650x = 425,842,906,471.92
  5. Step 5: Solve for x
    x = 425,842,906,471.92/904,650
  6. Step 6: Final answer
    x = 470,726.70

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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.