Home / 743,284.40-1,025,693.72-403,752.24

Finding the Fourth Proportional to 743,284.40, 1,025,693.72 and 403,752.24

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Solution

The fourth proportional to 743,284.40, 1,025,693.72 and 403,752.24 is: 557,157.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,284.40 : 1,025,693.72 = 403,752.24 : x
  2. Step 2: Convert to fraction form
    743,284.40/1,025,693.72 = 403,752.24/x
  3. Step 3: Cross multiply
    743,284.40x = 1,025,693.72 × 403,752.24
  4. Step 4: Simplify right side
    743,284.40x = 414,126,137,003.93
  5. Step 5: Solve for x
    x = 414,126,137,003.93/743,284.40
  6. Step 6: Final answer
    x = 557,157.04

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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.