Home / 966,638.60-1,333,982.40-531,061.56

Finding the Fourth Proportional to 966,638.60, 1,333,982.40 and 531,061.56

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Solution

The fourth proportional to 966,638.60, 1,333,982.40 and 531,061.56 is: 732,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,638.60 : 1,333,982.40 = 531,061.56 : x
  2. Step 2: Convert to fraction form
    966,638.60/1,333,982.40 = 531,061.56/x
  3. Step 3: Cross multiply
    966,638.60x = 1,333,982.40 × 531,061.56
  4. Step 4: Simplify right side
    966,638.60x = 708,426,774,356.54
  5. Step 5: Solve for x
    x = 708,426,774,356.54/966,638.60
  6. Step 6: Final answer
    x = 732,876.56

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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.