Home / 731,350.80-1,006,394.76-646,670.16

Finding the Fourth Proportional to 731,350.80, 1,006,394.76 and 646,670.16

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Solution

The fourth proportional to 731,350.80, 1,006,394.76 and 646,670.16 is: 889,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,350.80 : 1,006,394.76 = 646,670.16 : x
  2. Step 2: Convert to fraction form
    731,350.80/1,006,394.76 = 646,670.16/x
  3. Step 3: Cross multiply
    731,350.80x = 1,006,394.76 × 646,670.16
  4. Step 4: Simplify right side
    731,350.80x = 650,805,460,472.36
  5. Step 5: Solve for x
    x = 650,805,460,472.36/731,350.80
  6. Step 6: Final answer
    x = 889,867.71

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Double scale
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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.