Home / 895,781.86-1,236,339.93-513,934.90

Finding the Fourth Proportional to 895,781.86, 1,236,339.93 and 513,934.90

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Solution

The fourth proportional to 895,781.86, 1,236,339.93 and 513,934.90 is: 709,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,781.86 : 1,236,339.93 = 513,934.90 : x
  2. Step 2: Convert to fraction form
    895,781.86/1,236,339.93 = 513,934.90/x
  3. Step 3: Cross multiply
    895,781.86x = 1,236,339.93 × 513,934.90
  4. Step 4: Simplify right side
    895,781.86x = 635,398,238,290.56
  5. Step 5: Solve for x
    x = 635,398,238,290.56/895,781.86
  6. Step 6: Final answer
    x = 709,322.51

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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.