Home / 572,961.68-790,688.04-318,314.96

Finding the Fourth Proportional to 572,961.68, 790,688.04 and 318,314.96

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Solution

The fourth proportional to 572,961.68, 790,688.04 and 318,314.96 is: 439,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,961.68 : 790,688.04 = 318,314.96 : x
  2. Step 2: Convert to fraction form
    572,961.68/790,688.04 = 318,314.96/x
  3. Step 3: Cross multiply
    572,961.68x = 790,688.04 × 318,314.96
  4. Step 4: Simplify right side
    572,961.68x = 251,687,831,825.08
  5. Step 5: Solve for x
    x = 251,687,831,825.08/572,961.68
  6. Step 6: Final answer
    x = 439,275.16

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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.