Home / 723,443.40-1,085,301.18-291,193.92

Finding the Fourth Proportional to 723,443.40, 1,085,301.18 and 291,193.92

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Solution

The fourth proportional to 723,443.40, 1,085,301.18 and 291,193.92 is: 436,845.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,443.40 : 1,085,301.18 = 291,193.92 : x
  2. Step 2: Convert to fraction form
    723,443.40/1,085,301.18 = 291,193.92/x
  3. Step 3: Cross multiply
    723,443.40x = 1,085,301.18 × 291,193.92
  4. Step 4: Simplify right side
    723,443.40x = 316,033,104,984.83
  5. Step 5: Solve for x
    x = 316,033,104,984.83/723,443.40
  6. Step 6: Final answer
    x = 436,845.65

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.