Home / 961,421.52-1,326,614.32-553,444.53

Finding the Fourth Proportional to 961,421.52, 1,326,614.32 and 553,444.53

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Solution

The fourth proportional to 961,421.52, 1,326,614.32 and 553,444.53 is: 763,668.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,421.52 : 1,326,614.32 = 553,444.53 : x
  2. Step 2: Convert to fraction form
    961,421.52/1,326,614.32 = 553,444.53/x
  3. Step 3: Cross multiply
    961,421.52x = 1,326,614.32 × 553,444.53
  4. Step 4: Simplify right side
    961,421.52x = 734,207,442,002.88
  5. Step 5: Solve for x
    x = 734,207,442,002.88/961,421.52
  6. Step 6: Final answer
    x = 763,668.61

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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.