Home / 931,724.64-1,285,781.04-529,394.40

Finding the Fourth Proportional to 931,724.64, 1,285,781.04 and 529,394.40

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Solution

The fourth proportional to 931,724.64, 1,285,781.04 and 529,394.40 is: 730,564.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,724.64 : 1,285,781.04 = 529,394.40 : x
  2. Step 2: Convert to fraction form
    931,724.64/1,285,781.04 = 529,394.40/x
  3. Step 3: Cross multiply
    931,724.64x = 1,285,781.04 × 529,394.40
  4. Step 4: Simplify right side
    931,724.64x = 680,685,282,202.18
  5. Step 5: Solve for x
    x = 680,685,282,202.18/931,724.64
  6. Step 6: Final answer
    x = 730,564.86

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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.