Home / 651,131.40-976,687.94-395,024.98

Finding the Fourth Proportional to 651,131.40, 976,687.94 and 395,024.98

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Solution

The fourth proportional to 651,131.40, 976,687.94 and 395,024.98 is: 592,531.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,131.40 : 976,687.94 = 395,024.98 : x
  2. Step 2: Convert to fraction form
    651,131.40/976,687.94 = 395,024.98/x
  3. Step 3: Cross multiply
    651,131.40x = 976,687.94 × 395,024.98
  4. Step 4: Simplify right side
    651,131.40x = 385,816,133,964.74
  5. Step 5: Solve for x
    x = 385,816,133,964.74/651,131.40
  6. Step 6: Final answer
    x = 592,531.91

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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.