Home / 570,617.23-787,442.13-315,962.95

Finding the Fourth Proportional to 570,617.23, 787,442.13 and 315,962.95

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Solution

The fourth proportional to 570,617.23, 787,442.13 and 315,962.95 is: 436,023.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,617.23 : 787,442.13 = 315,962.95 : x
  2. Step 2: Convert to fraction form
    570,617.23/787,442.13 = 315,962.95/x
  3. Step 3: Cross multiply
    570,617.23x = 787,442.13 × 315,962.95
  4. Step 4: Simplify right side
    570,617.23x = 248,802,536,380.48
  5. Step 5: Solve for x
    x = 248,802,536,380.48/570,617.23
  6. Step 6: Final answer
    x = 436,023.53

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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.