Home / 743,645.56-1,026,225.99-404,113.78

Finding the Fourth Proportional to 743,645.56, 1,026,225.99 and 404,113.78

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Solution

The fourth proportional to 743,645.56, 1,026,225.99 and 404,113.78 is: 557,674.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,645.56 : 1,026,225.99 = 404,113.78 : x
  2. Step 2: Convert to fraction form
    743,645.56/1,026,225.99 = 404,113.78/x
  3. Step 3: Cross multiply
    743,645.56x = 1,026,225.99 × 404,113.78
  4. Step 4: Simplify right side
    743,645.56x = 414,712,063,953.14
  5. Step 5: Solve for x
    x = 414,712,063,953.14/743,645.56
  6. Step 6: Final answer
    x = 557,674.36

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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.