Home / 584,207.20-872,084.68-513,348.40

Finding the Fourth Proportional to 584,207.20, 872,084.68 and 513,348.40

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Solution

The fourth proportional to 584,207.20, 872,084.68 and 513,348.40 is: 766,309.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,207.20 : 872,084.68 = 513,348.40 : x
  2. Step 2: Convert to fraction form
    584,207.20/872,084.68 = 513,348.40/x
  3. Step 3: Cross multiply
    584,207.20x = 872,084.68 × 513,348.40
  4. Step 4: Simplify right side
    584,207.20x = 447,683,275,142.51
  5. Step 5: Solve for x
    x = 447,683,275,142.51/584,207.20
  6. Step 6: Final answer
    x = 766,309.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.