Home / 918,785.60-1,377,613.92-357,165.44

Finding the Fourth Proportional to 918,785.60, 1,377,613.92 and 357,165.44

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Solution

The fourth proportional to 918,785.60, 1,377,613.92 and 357,165.44 is: 535,528.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,785.60 : 1,377,613.92 = 357,165.44 : x
  2. Step 2: Convert to fraction form
    918,785.60/1,377,613.92 = 357,165.44/x
  3. Step 3: Cross multiply
    918,785.60x = 1,377,613.92 × 357,165.44
  4. Step 4: Simplify right side
    918,785.60x = 492,036,081,886.93
  5. Step 5: Solve for x
    x = 492,036,081,886.93/918,785.60
  6. Step 6: Final answer
    x = 535,528.73

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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.