Home / 743,574.61-1,026,139.11-404,042.86

Finding the Fourth Proportional to 743,574.61, 1,026,139.11 and 404,042.86

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Solution

The fourth proportional to 743,574.61, 1,026,139.11 and 404,042.86 is: 557,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,574.61 : 1,026,139.11 = 404,042.86 : x
  2. Step 2: Convert to fraction form
    743,574.61/1,026,139.11 = 404,042.86/x
  3. Step 3: Cross multiply
    743,574.61x = 1,026,139.11 × 404,042.86
  4. Step 4: Simplify right side
    743,574.61x = 414,604,183,560.09
  5. Step 5: Solve for x
    x = 414,604,183,560.09/743,574.61
  6. Step 6: Final answer
    x = 557,582.49

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Double scale
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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.