Home / 744,078.24-1,026,838.08-404,545.68

Finding the Fourth Proportional to 744,078.24, 1,026,838.08 and 404,545.68

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Solution

The fourth proportional to 744,078.24, 1,026,838.08 and 404,545.68 is: 558,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,078.24 : 1,026,838.08 = 404,545.68 : x
  2. Step 2: Convert to fraction form
    744,078.24/1,026,838.08 = 404,545.68/x
  3. Step 3: Cross multiply
    744,078.24x = 1,026,838.08 × 404,545.68
  4. Step 4: Simplify right side
    744,078.24x = 415,402,909,323.49
  5. Step 5: Solve for x
    x = 415,402,909,323.49/744,078.24
  6. Step 6: Final answer
    x = 558,278.53

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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.