Home / 668,777.47-1,002,575.70-511,707.13

Finding the Fourth Proportional to 668,777.47, 1,002,575.70 and 511,707.13

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Solution

The fourth proportional to 668,777.47, 1,002,575.70 and 511,707.13 is: 767,108.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,777.47 : 1,002,575.70 = 511,707.13 : x
  2. Step 2: Convert to fraction form
    668,777.47/1,002,575.70 = 511,707.13/x
  3. Step 3: Cross multiply
    668,777.47x = 1,002,575.70 × 511,707.13
  4. Step 4: Simplify right side
    668,777.47x = 513,025,134,054.74
  5. Step 5: Solve for x
    x = 513,025,134,054.74/668,777.47
  6. Step 6: Final answer
    x = 767,108.88

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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.