Home / 731,926.80-1,097,890.20-519,350.40

Finding the Fourth Proportional to 731,926.80, 1,097,890.20 and 519,350.40

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Solution

The fourth proportional to 731,926.80, 1,097,890.20 and 519,350.40 is: 779,025.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,926.80 : 1,097,890.20 = 519,350.40 : x
  2. Step 2: Convert to fraction form
    731,926.80/1,097,890.20 = 519,350.40/x
  3. Step 3: Cross multiply
    731,926.80x = 1,097,890.20 × 519,350.40
  4. Step 4: Simplify right side
    731,926.80x = 570,189,714,526.08
  5. Step 5: Solve for x
    x = 570,189,714,526.08/731,926.80
  6. Step 6: Final answer
    x = 779,025.60

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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.