Home / 723,294.70-1,085,114.85-349,009.90

Finding the Fourth Proportional to 723,294.70, 1,085,114.85 and 349,009.90

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Solution

The fourth proportional to 723,294.70, 1,085,114.85 and 349,009.90 is: 523,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,294.70 : 1,085,114.85 = 349,009.90 : x
  2. Step 2: Convert to fraction form
    723,294.70/1,085,114.85 = 349,009.90/x
  3. Step 3: Cross multiply
    723,294.70x = 1,085,114.85 × 349,009.90
  4. Step 4: Simplify right side
    723,294.70x = 378,715,825,287.02
  5. Step 5: Solve for x
    x = 378,715,825,287.02/723,294.70
  6. Step 6: Final answer
    x = 523,598.23

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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.