Home / 572,587.16-790,205.88-317,940.17

Finding the Fourth Proportional to 572,587.16, 790,205.88 and 317,940.17

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Solution

The fourth proportional to 572,587.16, 790,205.88 and 317,940.17 is: 438,777.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,587.16 : 790,205.88 = 317,940.17 : x
  2. Step 2: Convert to fraction form
    572,587.16/790,205.88 = 317,940.17/x
  3. Step 3: Cross multiply
    572,587.16x = 790,205.88 × 317,940.17
  4. Step 4: Simplify right side
    572,587.16x = 251,238,187,871.17
  5. Step 5: Solve for x
    x = 251,238,187,871.17/572,587.16
  6. Step 6: Final answer
    x = 438,777.20

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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.