Home / 712,497.40-1,068,357.30-291,297.40

Finding the Fourth Proportional to 712,497.40, 1,068,357.30 and 291,297.40

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Solution

The fourth proportional to 712,497.40, 1,068,357.30 and 291,297.40 is: 436,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,497.40 : 1,068,357.30 = 291,297.40 : x
  2. Step 2: Convert to fraction form
    712,497.40/1,068,357.30 = 291,297.40/x
  3. Step 3: Cross multiply
    712,497.40x = 1,068,357.30 × 291,297.40
  4. Step 4: Simplify right side
    712,497.40x = 311,209,703,761.02
  5. Step 5: Solve for x
    x = 311,209,703,761.02/712,497.40
  6. Step 6: Final answer
    x = 436,787.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.