Home / 509,061.44-763,278.40-172,070.24

Finding the Fourth Proportional to 509,061.44, 763,278.40 and 172,070.24

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Solution

The fourth proportional to 509,061.44, 763,278.40 and 172,070.24 is: 257,999.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,061.44 : 763,278.40 = 172,070.24 : x
  2. Step 2: Convert to fraction form
    509,061.44/763,278.40 = 172,070.24/x
  3. Step 3: Cross multiply
    509,061.44x = 763,278.40 × 172,070.24
  4. Step 4: Simplify right side
    509,061.44x = 131,337,497,474.82
  5. Step 5: Solve for x
    x = 131,337,497,474.82/509,061.44
  6. Step 6: Final answer
    x = 257,999.30

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1.5x scale

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.