Home / 723,520.20-1,085,021.10-368,416.20

Finding the Fourth Proportional to 723,520.20, 1,085,021.10 and 368,416.20

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Solution

The fourth proportional to 723,520.20, 1,085,021.10 and 368,416.20 is: 552,492.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,520.20 : 1,085,021.10 = 368,416.20 : x
  2. Step 2: Convert to fraction form
    723,520.20/1,085,021.10 = 368,416.20/x
  3. Step 3: Cross multiply
    723,520.20x = 1,085,021.10 × 368,416.20
  4. Step 4: Simplify right side
    723,520.20x = 399,739,350,581.82
  5. Step 5: Solve for x
    x = 399,739,350,581.82/723,520.20
  6. Step 6: Final answer
    x = 552,492.32

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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.