Home / 989,719.60-1,484,233.80-516,247.60

Finding the Fourth Proportional to 989,719.60, 1,484,233.80 and 516,247.60

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Solution

The fourth proportional to 989,719.60, 1,484,233.80 and 516,247.60 is: 774,191.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,719.60 : 1,484,233.80 = 516,247.60 : x
  2. Step 2: Convert to fraction form
    989,719.60/1,484,233.80 = 516,247.60/x
  3. Step 3: Cross multiply
    989,719.60x = 1,484,233.80 × 516,247.60
  4. Step 4: Simplify right side
    989,719.60x = 766,232,137,088.88
  5. Step 5: Solve for x
    x = 766,232,137,088.88/989,719.60
  6. Step 6: Final answer
    x = 774,191.13

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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.