Home / 635,724.92-877,300.72-349,263.46

Finding the Fourth Proportional to 635,724.92, 877,300.72 and 349,263.46

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Solution

The fourth proportional to 635,724.92, 877,300.72 and 349,263.46 is: 481,983.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,724.92 : 877,300.72 = 349,263.46 : x
  2. Step 2: Convert to fraction form
    635,724.92/877,300.72 = 349,263.46/x
  3. Step 3: Cross multiply
    635,724.92x = 877,300.72 × 349,263.46
  4. Step 4: Simplify right side
    635,724.92x = 306,409,087,115.77
  5. Step 5: Solve for x
    x = 306,409,087,115.77/635,724.92
  6. Step 6: Final answer
    x = 481,983.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.