Home / 859,700.42-1,186,398.91-472,551.69

Finding the Fourth Proportional to 859,700.42, 1,186,398.91 and 472,551.69

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Solution

The fourth proportional to 859,700.42, 1,186,398.91 and 472,551.69 is: 652,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,700.42 : 1,186,398.91 = 472,551.69 : x
  2. Step 2: Convert to fraction form
    859,700.42/1,186,398.91 = 472,551.69/x
  3. Step 3: Cross multiply
    859,700.42x = 1,186,398.91 × 472,551.69
  4. Step 4: Simplify right side
    859,700.42x = 560,634,809,934.66
  5. Step 5: Solve for x
    x = 560,634,809,934.66/859,700.42
  6. Step 6: Final answer
    x = 652,128.11

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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.