Home / 772,490.27-1,158,498.72-534,135.87

Finding the Fourth Proportional to 772,490.27, 1,158,498.72 and 534,135.87

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Solution

The fourth proportional to 772,490.27, 1,158,498.72 and 534,135.87 is: 801,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,490.27 : 1,158,498.72 = 534,135.87 : x
  2. Step 2: Convert to fraction form
    772,490.27/1,158,498.72 = 534,135.87/x
  3. Step 3: Cross multiply
    772,490.27x = 1,158,498.72 × 534,135.87
  4. Step 4: Simplify right side
    772,490.27x = 618,795,721,701.09
  5. Step 5: Solve for x
    x = 618,795,721,701.09/772,490.27
  6. Step 6: Final answer
    x = 801,040.15

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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.