Home / 730,915.84-1,007,520.32-672,263.04

Finding the Fourth Proportional to 730,915.84, 1,007,520.32 and 672,263.04

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Solution

The fourth proportional to 730,915.84, 1,007,520.32 and 672,263.04 is: 926,671.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,915.84 : 1,007,520.32 = 672,263.04 : x
  2. Step 2: Convert to fraction form
    730,915.84/1,007,520.32 = 672,263.04/x
  3. Step 3: Cross multiply
    730,915.84x = 1,007,520.32 × 672,263.04
  4. Step 4: Simplify right side
    730,915.84x = 677,318,673,184.97
  5. Step 5: Solve for x
    x = 677,318,673,184.97/730,915.84
  6. Step 6: Final answer
    x = 926,671.22

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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.