Home / 404,738.17-607,001.40-120,352.12

Finding the Fourth Proportional to 404,738.17, 607,001.40 and 120,352.12

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Solution

The fourth proportional to 404,738.17, 607,001.40 and 120,352.12 is: 180,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,738.17 : 607,001.40 = 120,352.12 : x
  2. Step 2: Convert to fraction form
    404,738.17/607,001.40 = 120,352.12/x
  3. Step 3: Cross multiply
    404,738.17x = 607,001.40 × 120,352.12
  4. Step 4: Simplify right side
    404,738.17x = 73,053,905,332.97
  5. Step 5: Solve for x
    x = 73,053,905,332.97/404,738.17
  6. Step 6: Final answer
    x = 180,496.70

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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.