Home / 646,498.20-968,435.10-365,687.40

Finding the Fourth Proportional to 646,498.20, 968,435.10 and 365,687.40

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Solution

The fourth proportional to 646,498.20, 968,435.10 and 365,687.40 is: 547,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,498.20 : 968,435.10 = 365,687.40 : x
  2. Step 2: Convert to fraction form
    646,498.20/968,435.10 = 365,687.40/x
  3. Step 3: Cross multiply
    646,498.20x = 968,435.10 × 365,687.40
  4. Step 4: Simplify right side
    646,498.20x = 354,144,513,787.74
  5. Step 5: Solve for x
    x = 354,144,513,787.74/646,498.20
  6. Step 6: Final answer
    x = 547,788.86

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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.