Home / 726,647.40-1,090,295.10-253,672.20

Finding the Fourth Proportional to 726,647.40, 1,090,295.10 and 253,672.20

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Solution

The fourth proportional to 726,647.40, 1,090,295.10 and 253,672.20 is: 380,621.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,647.40 : 1,090,295.10 = 253,672.20 : x
  2. Step 2: Convert to fraction form
    726,647.40/1,090,295.10 = 253,672.20/x
  3. Step 3: Cross multiply
    726,647.40x = 1,090,295.10 × 253,672.20
  4. Step 4: Simplify right side
    726,647.40x = 276,577,556,666.22
  5. Step 5: Solve for x
    x = 276,577,556,666.22/726,647.40
  6. Step 6: Final answer
    x = 380,621.41

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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.