Home / 744,897.60-1,027,960.13-422,545.41

Finding the Fourth Proportional to 744,897.60, 1,027,960.13 and 422,545.41

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Solution

The fourth proportional to 744,897.60, 1,027,960.13 and 422,545.41 is: 583,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,897.60 : 1,027,960.13 = 422,545.41 : x
  2. Step 2: Convert to fraction form
    744,897.60/1,027,960.13 = 422,545.41/x
  3. Step 3: Cross multiply
    744,897.60x = 1,027,960.13 × 422,545.41
  4. Step 4: Simplify right side
    744,897.60x = 434,359,835,650.87
  5. Step 5: Solve for x
    x = 434,359,835,650.87/744,897.60
  6. Step 6: Final answer
    x = 583,113.49

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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.