Home / 784,967.10-1,178,762.85-519,902.70

Finding the Fourth Proportional to 784,967.10, 1,178,762.85 and 519,902.70

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Solution

The fourth proportional to 784,967.10, 1,178,762.85 and 519,902.70 is: 780,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,967.10 : 1,178,762.85 = 519,902.70 : x
  2. Step 2: Convert to fraction form
    784,967.10/1,178,762.85 = 519,902.70/x
  3. Step 3: Cross multiply
    784,967.10x = 1,178,762.85 × 519,902.70
  4. Step 4: Simplify right side
    784,967.10x = 612,841,988,374.70
  5. Step 5: Solve for x
    x = 612,841,988,374.70/784,967.10
  6. Step 6: Final answer
    x = 780,723.15

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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.