Home / 989,318.48-1,483,753.41-502,507.13

Finding the Fourth Proportional to 989,318.48, 1,483,753.41 and 502,507.13

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Solution

The fourth proportional to 989,318.48, 1,483,753.41 and 502,507.13 is: 753,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,318.48 : 1,483,753.41 = 502,507.13 : x
  2. Step 2: Convert to fraction form
    989,318.48/1,483,753.41 = 502,507.13/x
  3. Step 3: Cross multiply
    989,318.48x = 1,483,753.41 × 502,507.13
  4. Step 4: Simplify right side
    989,318.48x = 745,596,660,268.05
  5. Step 5: Solve for x
    x = 745,596,660,268.05/989,318.48
  6. Step 6: Final answer
    x = 753,646.76

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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.