Home / 743,115.48-1,025,502.30-403,589.40

Finding the Fourth Proportional to 743,115.48, 1,025,502.30 and 403,589.40

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Solution

The fourth proportional to 743,115.48, 1,025,502.30 and 403,589.40 is: 556,954.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,115.48 : 1,025,502.30 = 403,589.40 : x
  2. Step 2: Convert to fraction form
    743,115.48/1,025,502.30 = 403,589.40/x
  3. Step 3: Cross multiply
    743,115.48x = 1,025,502.30 × 403,589.40
  4. Step 4: Simplify right side
    743,115.48x = 413,881,857,955.62
  5. Step 5: Solve for x
    x = 413,881,857,955.62/743,115.48
  6. Step 6: Final answer
    x = 556,954.97

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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.