Home / 529,948.40-793,885.80-318,959.60

Finding the Fourth Proportional to 529,948.40, 793,885.80 and 318,959.60

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Solution

The fourth proportional to 529,948.40, 793,885.80 and 318,959.60 is: 477,815.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,948.40 : 793,885.80 = 318,959.60 : x
  2. Step 2: Convert to fraction form
    529,948.40/793,885.80 = 318,959.60/x
  3. Step 3: Cross multiply
    529,948.40x = 793,885.80 × 318,959.60
  4. Step 4: Simplify right side
    529,948.40x = 253,217,497,213.68
  5. Step 5: Solve for x
    x = 253,217,497,213.68/529,948.40
  6. Step 6: Final answer
    x = 477,815.38

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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.