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Finding the Fourth Proportional to 750,458.39, 1,035,633.02 and 406,294.42

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Solution

The fourth proportional to 750,458.39, 1,035,633.02 and 406,294.42 is: 560,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,458.39 : 1,035,633.02 = 406,294.42 : x
  2. Step 2: Convert to fraction form
    750,458.39/1,035,633.02 = 406,294.42/x
  3. Step 3: Cross multiply
    750,458.39x = 1,035,633.02 × 406,294.42
  4. Step 4: Simplify right side
    750,458.39x = 420,771,917,193.75
  5. Step 5: Solve for x
    x = 420,771,917,193.75/750,458.39
  6. Step 6: Final answer
    x = 560,686.54

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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.