Home / 635,373.72-876,823.18-344,988.72

Finding the Fourth Proportional to 635,373.72, 876,823.18 and 344,988.72

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Solution

The fourth proportional to 635,373.72, 876,823.18 and 344,988.72 is: 476,088.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,373.72 : 876,823.18 = 344,988.72 : x
  2. Step 2: Convert to fraction form
    635,373.72/876,823.18 = 344,988.72/x
  3. Step 3: Cross multiply
    635,373.72x = 876,823.18 × 344,988.72
  4. Step 4: Simplify right side
    635,373.72x = 302,494,105,672.06
  5. Step 5: Solve for x
    x = 302,494,105,672.06/635,373.72
  6. Step 6: Final answer
    x = 476,088.48

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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.