Home / 723,009.80-1,084,514.70-349,761.80

Finding the Fourth Proportional to 723,009.80, 1,084,514.70 and 349,761.80

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Solution

The fourth proportional to 723,009.80, 1,084,514.70 and 349,761.80 is: 524,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,009.80 : 1,084,514.70 = 349,761.80 : x
  2. Step 2: Convert to fraction form
    723,009.80/1,084,514.70 = 349,761.80/x
  3. Step 3: Cross multiply
    723,009.80x = 1,084,514.70 × 349,761.80
  4. Step 4: Simplify right side
    723,009.80x = 379,321,813,598.46
  5. Step 5: Solve for x
    x = 379,321,813,598.46/723,009.80
  6. Step 6: Final answer
    x = 524,642.70

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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.