Home / 591,302.12-815,996.67-319,369.91

Finding the Fourth Proportional to 591,302.12, 815,996.67 and 319,369.91

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Solution

The fourth proportional to 591,302.12, 815,996.67 and 319,369.91 is: 440,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,302.12 : 815,996.67 = 319,369.91 : x
  2. Step 2: Convert to fraction form
    591,302.12/815,996.67 = 319,369.91/x
  3. Step 3: Cross multiply
    591,302.12x = 815,996.67 × 319,369.91
  4. Step 4: Simplify right side
    591,302.12x = 260,604,783,058.20
  5. Step 5: Solve for x
    x = 260,604,783,058.20/591,302.12
  6. Step 6: Final answer
    x = 440,730.34

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1.5x scale

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.