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Finding the Fourth Proportional to 632,384.39, 873,051.53 and 418,145.87

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Solution

The fourth proportional to 632,384.39, 873,051.53 and 418,145.87 is: 577,280.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,384.39 : 873,051.53 = 418,145.87 : x
  2. Step 2: Convert to fraction form
    632,384.39/873,051.53 = 418,145.87/x
  3. Step 3: Cross multiply
    632,384.39x = 873,051.53 × 418,145.87
  4. Step 4: Simplify right side
    632,384.39x = 365,062,885,110.69
  5. Step 5: Solve for x
    x = 365,062,885,110.69/632,384.39
  6. Step 6: Final answer
    x = 577,280.04

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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.