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Finding the Fourth Proportional to 635,984.40, 877,616.04 and 349,498.32

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Solution

The fourth proportional to 635,984.40, 877,616.04 and 349,498.32 is: 482,284.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,984.40 : 877,616.04 = 349,498.32 : x
  2. Step 2: Convert to fraction form
    635,984.40/877,616.04 = 349,498.32/x
  3. Step 3: Cross multiply
    635,984.40x = 877,616.04 × 349,498.32
  4. Step 4: Simplify right side
    635,984.40x = 306,725,331,585.05
  5. Step 5: Solve for x
    x = 306,725,331,585.05/635,984.40
  6. Step 6: Final answer
    x = 482,284.36

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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.