Home / 985,375.33-1,359,864.45-555,646.23

Finding the Fourth Proportional to 985,375.33, 1,359,864.45 and 555,646.23

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Solution

The fourth proportional to 985,375.33, 1,359,864.45 and 555,646.23 is: 766,818.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,375.33 : 1,359,864.45 = 555,646.23 : x
  2. Step 2: Convert to fraction form
    985,375.33/1,359,864.45 = 555,646.23/x
  3. Step 3: Cross multiply
    985,375.33x = 1,359,864.45 × 555,646.23
  4. Step 4: Simplify right side
    985,375.33x = 755,603,554,953.52
  5. Step 5: Solve for x
    x = 755,603,554,953.52/985,375.33
  6. Step 6: Final answer
    x = 766,818.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.