Home / 755,719.77-1,042,830.25-445,573.10

Finding the Fourth Proportional to 755,719.77, 1,042,830.25 and 445,573.10

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Solution

The fourth proportional to 755,719.77, 1,042,830.25 and 445,573.10 is: 614,853.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,719.77 : 1,042,830.25 = 445,573.10 : x
  2. Step 2: Convert to fraction form
    755,719.77/1,042,830.25 = 445,573.10/x
  3. Step 3: Cross multiply
    755,719.77x = 1,042,830.25 × 445,573.10
  4. Step 4: Simplify right side
    755,719.77x = 464,657,108,759.42
  5. Step 5: Solve for x
    x = 464,657,108,759.42/755,719.77
  6. Step 6: Final answer
    x = 614,853.71

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1.5x scale

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.