Home / 572,723.62-790,358.60-318,098.50

Finding the Fourth Proportional to 572,723.62, 790,358.60 and 318,098.50

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Solution

The fourth proportional to 572,723.62, 790,358.60 and 318,098.50 is: 438,975.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,723.62 : 790,358.60 = 318,098.50 : x
  2. Step 2: Convert to fraction form
    572,723.62/790,358.60 = 318,098.50/x
  3. Step 3: Cross multiply
    572,723.62x = 790,358.60 × 318,098.50
  4. Step 4: Simplify right side
    572,723.62x = 251,411,885,122.10
  5. Step 5: Solve for x
    x = 251,411,885,122.10/572,723.62
  6. Step 6: Final answer
    x = 438,975.93

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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.