Home / 572,564.20-858,111.90-319,844.20

Finding the Fourth Proportional to 572,564.20, 858,111.90 and 319,844.20

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Solution

The fourth proportional to 572,564.20, 858,111.90 and 319,844.20 is: 479,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,564.20 : 858,111.90 = 319,844.20 : x
  2. Step 2: Convert to fraction form
    572,564.20/858,111.90 = 319,844.20/x
  3. Step 3: Cross multiply
    572,564.20x = 858,111.90 × 319,844.20
  4. Step 4: Simplify right side
    572,564.20x = 274,462,114,165.98
  5. Step 5: Solve for x
    x = 274,462,114,165.98/572,564.20
  6. Step 6: Final answer
    x = 479,356.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.