Home / 738,423.54-1,109,947.44-487,317.66

Finding the Fourth Proportional to 738,423.54, 1,109,947.44 and 487,317.66

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Solution

The fourth proportional to 738,423.54, 1,109,947.44 and 487,317.66 is: 732,502.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,423.54 : 1,109,947.44 = 487,317.66 : x
  2. Step 2: Convert to fraction form
    738,423.54/1,109,947.44 = 487,317.66/x
  3. Step 3: Cross multiply
    738,423.54x = 1,109,947.44 × 487,317.66
  4. Step 4: Simplify right side
    738,423.54x = 540,896,989,183.79
  5. Step 5: Solve for x
    x = 540,896,989,183.79/738,423.54
  6. Step 6: Final answer
    x = 732,502.36

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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.