Home / 696,454.47-1,044,976.95-380,542.32

Finding the Fourth Proportional to 696,454.47, 1,044,976.95 and 380,542.32

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Solution

The fourth proportional to 696,454.47, 1,044,976.95 and 380,542.32 is: 570,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,454.47 : 1,044,976.95 = 380,542.32 : x
  2. Step 2: Convert to fraction form
    696,454.47/1,044,976.95 = 380,542.32/x
  3. Step 3: Cross multiply
    696,454.47x = 1,044,976.95 × 380,542.32
  4. Step 4: Simplify right side
    696,454.47x = 397,657,952,899.52
  5. Step 5: Solve for x
    x = 397,657,952,899.52/696,454.47
  6. Step 6: Final answer
    x = 570,974.80

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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.