Home / 859,988.16-1,186,784.42-472,810.17

Finding the Fourth Proportional to 859,988.16, 1,186,784.42 and 472,810.17

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Solution

The fourth proportional to 859,988.16, 1,186,784.42 and 472,810.17 is: 652,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,988.16 : 1,186,784.42 = 472,810.17 : x
  2. Step 2: Convert to fraction form
    859,988.16/1,186,784.42 = 472,810.17/x
  3. Step 3: Cross multiply
    859,988.16x = 1,186,784.42 × 472,810.17
  4. Step 4: Simplify right side
    859,988.16x = 561,123,745,663.70
  5. Step 5: Solve for x
    x = 561,123,745,663.70/859,988.16
  6. Step 6: Final answer
    x = 652,478.45

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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.