Home / 723,516.20-1,085,015.10-368,412.20

Finding the Fourth Proportional to 723,516.20, 1,085,015.10 and 368,412.20

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Solution

The fourth proportional to 723,516.20, 1,085,015.10 and 368,412.20 is: 552,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,516.20 : 1,085,015.10 = 368,412.20 : x
  2. Step 2: Convert to fraction form
    723,516.20/1,085,015.10 = 368,412.20/x
  3. Step 3: Cross multiply
    723,516.20x = 1,085,015.10 × 368,412.20
  4. Step 4: Simplify right side
    723,516.20x = 399,732,800,024.22
  5. Step 5: Solve for x
    x = 399,732,800,024.22/723,516.20
  6. Step 6: Final answer
    x = 552,486.32

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Double scale
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Similar ratio
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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.