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Finding the Fourth Proportional to 602,734.40, 831,712.90 and 361,010.76

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Solution

The fourth proportional to 602,734.40, 831,712.90 and 361,010.76 is: 498,158.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,734.40 : 831,712.90 = 361,010.76 : x
  2. Step 2: Convert to fraction form
    602,734.40/831,712.90 = 361,010.76/x
  3. Step 3: Cross multiply
    602,734.40x = 831,712.90 × 361,010.76
  4. Step 4: Simplify right side
    602,734.40x = 300,257,306,130.80
  5. Step 5: Solve for x
    x = 300,257,306,130.80/602,734.40
  6. Step 6: Final answer
    x = 498,158.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.