Home / 731,351.80-1,006,396.14-646,671.16

Finding the Fourth Proportional to 731,351.80, 1,006,396.14 and 646,671.16

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Solution

The fourth proportional to 731,351.80, 1,006,396.14 and 646,671.16 is: 889,869.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,351.80 : 1,006,396.14 = 646,671.16 : x
  2. Step 2: Convert to fraction form
    731,351.80/1,006,396.14 = 646,671.16/x
  3. Step 3: Cross multiply
    731,351.80x = 1,006,396.14 × 646,671.16
  4. Step 4: Simplify right side
    731,351.80x = 650,807,359,273.32
  5. Step 5: Solve for x
    x = 650,807,359,273.32/731,351.80
  6. Step 6: Final answer
    x = 889,869.09

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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.