Home / 721,875.20-1,082,812.80-590,655.20

Finding the Fourth Proportional to 721,875.20, 1,082,812.80 and 590,655.20

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Solution

The fourth proportional to 721,875.20, 1,082,812.80 and 590,655.20 is: 885,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,875.20 : 1,082,812.80 = 590,655.20 : x
  2. Step 2: Convert to fraction form
    721,875.20/1,082,812.80 = 590,655.20/x
  3. Step 3: Cross multiply
    721,875.20x = 1,082,812.80 × 590,655.20
  4. Step 4: Simplify right side
    721,875.20x = 639,569,010,946.56
  5. Step 5: Solve for x
    x = 639,569,010,946.56/721,875.20
  6. Step 6: Final answer
    x = 885,982.80

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1.5x scale

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.