Home / 989,752.16-1,484,332.09-516,179.18

Finding the Fourth Proportional to 989,752.16, 1,484,332.09 and 516,179.18

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Solution

The fourth proportional to 989,752.16, 1,484,332.09 and 516,179.18 is: 774,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,752.16 : 1,484,332.09 = 516,179.18 : x
  2. Step 2: Convert to fraction form
    989,752.16/1,484,332.09 = 516,179.18/x
  3. Step 3: Cross multiply
    989,752.16x = 1,484,332.09 × 516,179.18
  4. Step 4: Simplify right side
    989,752.16x = 766,181,323,484.27
  5. Step 5: Solve for x
    x = 766,181,323,484.27/989,752.16
  6. Step 6: Final answer
    x = 774,114.32

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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.