Home / 491,985.49-738,211.52-292,699.57

Finding the Fourth Proportional to 491,985.49, 738,211.52 and 292,699.57

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Solution

The fourth proportional to 491,985.49, 738,211.52 and 292,699.57 is: 439,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,985.49 : 738,211.52 = 292,699.57 : x
  2. Step 2: Convert to fraction form
    491,985.49/738,211.52 = 292,699.57/x
  3. Step 3: Cross multiply
    491,985.49x = 738,211.52 × 292,699.57
  4. Step 4: Simplify right side
    491,985.49x = 216,074,193,009.55
  5. Step 5: Solve for x
    x = 216,074,193,009.55/491,985.49
  6. Step 6: Final answer
    x = 439,188.14

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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.