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Finding the Fourth Proportional to 676,445.50, 933,461.71 and 370,523.35

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Solution

The fourth proportional to 676,445.50, 933,461.71 and 370,523.35 is: 511,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,445.50 : 933,461.71 = 370,523.35 : x
  2. Step 2: Convert to fraction form
    676,445.50/933,461.71 = 370,523.35/x
  3. Step 3: Cross multiply
    676,445.50x = 933,461.71 × 370,523.35
  4. Step 4: Simplify right side
    676,445.50x = 345,869,359,885.93
  5. Step 5: Solve for x
    x = 345,869,359,885.93/676,445.50
  6. Step 6: Final answer
    x = 511,304.10

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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.