Home / 723,478.20-1,084,958.10-368,374.20

Finding the Fourth Proportional to 723,478.20, 1,084,958.10 and 368,374.20

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Solution

The fourth proportional to 723,478.20, 1,084,958.10 and 368,374.20 is: 552,429.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,478.20 : 1,084,958.10 = 368,374.20 : x
  2. Step 2: Convert to fraction form
    723,478.20/1,084,958.10 = 368,374.20/x
  3. Step 3: Cross multiply
    723,478.20x = 1,084,958.10 × 368,374.20
  4. Step 4: Simplify right side
    723,478.20x = 399,670,572,121.02
  5. Step 5: Solve for x
    x = 399,670,572,121.02/723,478.20
  6. Step 6: Final answer
    x = 552,429.32

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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.