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Finding the Fourth Proportional to 487,984.94, 730,911.29 and 202,810.85

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Solution

The fourth proportional to 487,984.94, 730,911.29 and 202,810.85 is: 303,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,984.94 : 730,911.29 = 202,810.85 : x
  2. Step 2: Convert to fraction form
    487,984.94/730,911.29 = 202,810.85/x
  3. Step 3: Cross multiply
    487,984.94x = 730,911.29 × 202,810.85
  4. Step 4: Simplify right side
    487,984.94x = 148,236,735,330.89
  5. Step 5: Solve for x
    x = 148,236,735,330.89/487,984.94
  6. Step 6: Final answer
    x = 303,773.18

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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.