Home / 743,742.52-1,026,359.02-404,213.20

Finding the Fourth Proportional to 743,742.52, 1,026,359.02 and 404,213.20

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Solution

The fourth proportional to 743,742.52, 1,026,359.02 and 404,213.20 is: 557,811.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,742.52 : 1,026,359.02 = 404,213.20 : x
  2. Step 2: Convert to fraction form
    743,742.52/1,026,359.02 = 404,213.20/x
  3. Step 3: Cross multiply
    743,742.52x = 1,026,359.02 × 404,213.20
  4. Step 4: Simplify right side
    743,742.52x = 414,867,863,823.06
  5. Step 5: Solve for x
    x = 414,867,863,823.06/743,742.52
  6. Step 6: Final answer
    x = 557,811.14

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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.