Home / 743,811.18-1,026,466.20-404,280.24

Finding the Fourth Proportional to 743,811.18, 1,026,466.20 and 404,280.24

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Solution

The fourth proportional to 743,811.18, 1,026,466.20 and 404,280.24 is: 557,910.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,811.18 : 1,026,466.20 = 404,280.24 : x
  2. Step 2: Convert to fraction form
    743,811.18/1,026,466.20 = 404,280.24/x
  3. Step 3: Cross multiply
    743,811.18x = 1,026,466.20 × 404,280.24
  4. Step 4: Simplify right side
    743,811.18x = 414,980,001,687.89
  5. Step 5: Solve for x
    x = 414,980,001,687.89/743,811.18
  6. Step 6: Final answer
    x = 557,910.41

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Double scale
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Similar ratio
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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.