Home / 635,619.80-877,280.40-360,026.96

Finding the Fourth Proportional to 635,619.80, 877,280.40 and 360,026.96

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Solution

The fourth proportional to 635,619.80, 877,280.40 and 360,026.96 is: 496,908.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,619.80 : 877,280.40 = 360,026.96 : x
  2. Step 2: Convert to fraction form
    635,619.80/877,280.40 = 360,026.96/x
  3. Step 3: Cross multiply
    635,619.80x = 877,280.40 × 360,026.96
  4. Step 4: Simplify right side
    635,619.80x = 315,844,595,479.58
  5. Step 5: Solve for x
    x = 315,844,595,479.58/635,619.80
  6. Step 6: Final answer
    x = 496,908.05

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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.