Home / 868,731.88-1,301,962.93-484,465.40

Finding the Fourth Proportional to 868,731.88, 1,301,962.93 and 484,465.40

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Solution

The fourth proportional to 868,731.88, 1,301,962.93 and 484,465.40 is: 726,065.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,731.88 : 1,301,962.93 = 484,465.40 : x
  2. Step 2: Convert to fraction form
    868,731.88/1,301,962.93 = 484,465.40/x
  3. Step 3: Cross multiply
    868,731.88x = 1,301,962.93 × 484,465.40
  4. Step 4: Simplify right side
    868,731.88x = 630,755,991,554.12
  5. Step 5: Solve for x
    x = 630,755,991,554.12/868,731.88
  6. Step 6: Final answer
    x = 726,065.21

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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.