Home / 904,665.60-1,357,516.80-344,102.40

Finding the Fourth Proportional to 904,665.60, 1,357,516.80 and 344,102.40

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Solution

The fourth proportional to 904,665.60, 1,357,516.80 and 344,102.40 is: 516,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,665.60 : 1,357,516.80 = 344,102.40 : x
  2. Step 2: Convert to fraction form
    904,665.60/1,357,516.80 = 344,102.40/x
  3. Step 3: Cross multiply
    904,665.60x = 1,357,516.80 × 344,102.40
  4. Step 4: Simplify right side
    904,665.60x = 467,124,788,920.32
  5. Step 5: Solve for x
    x = 467,124,788,920.32/904,665.60
  6. Step 6: Final answer
    x = 516,350.78

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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.