Home / 961,613.59-1,326,937.69-531,884.47

Finding the Fourth Proportional to 961,613.59, 1,326,937.69 and 531,884.47

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Solution

The fourth proportional to 961,613.59, 1,326,937.69 and 531,884.47 is: 733,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,613.59 : 1,326,937.69 = 531,884.47 : x
  2. Step 2: Convert to fraction form
    961,613.59/1,326,937.69 = 531,884.47/x
  3. Step 3: Cross multiply
    961,613.59x = 1,326,937.69 × 531,884.47
  4. Step 4: Simplify right side
    961,613.59x = 705,777,549,968.67
  5. Step 5: Solve for x
    x = 705,777,549,968.67/961,613.59
  6. Step 6: Final answer
    x = 733,951.31

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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.