Home / 989,697.60-1,484,200.80-516,225.60

Finding the Fourth Proportional to 989,697.60, 1,484,200.80 and 516,225.60

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Solution

The fourth proportional to 989,697.60, 1,484,200.80 and 516,225.60 is: 774,158.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,697.60 : 1,484,200.80 = 516,225.60 : x
  2. Step 2: Convert to fraction form
    989,697.60/1,484,200.80 = 516,225.60/x
  3. Step 3: Cross multiply
    989,697.60x = 1,484,200.80 × 516,225.60
  4. Step 4: Simplify right side
    989,697.60x = 766,182,448,500.48
  5. Step 5: Solve for x
    x = 766,182,448,500.48/989,697.60
  6. Step 6: Final answer
    x = 774,158.14

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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.