Home / 723,178.17-1,084,970.40-267,762.57

Finding the Fourth Proportional to 723,178.17, 1,084,970.40 and 267,762.57

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Solution

The fourth proportional to 723,178.17, 1,084,970.40 and 267,762.57 is: 401,719.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,178.17 : 1,084,970.40 = 267,762.57 : x
  2. Step 2: Convert to fraction form
    723,178.17/1,084,970.40 = 267,762.57/x
  3. Step 3: Cross multiply
    723,178.17x = 1,084,970.40 × 267,762.57
  4. Step 4: Simplify right side
    723,178.17x = 290,514,462,677.93
  5. Step 5: Solve for x
    x = 290,514,462,677.93/723,178.17
  6. Step 6: Final answer
    x = 401,719.07

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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.