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Finding the Fourth Proportional to 635,800.03, 877,401.45 and 363,866.63

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Solution

The fourth proportional to 635,800.03, 877,401.45 and 363,866.63 is: 502,134.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,800.03 : 877,401.45 = 363,866.63 : x
  2. Step 2: Convert to fraction form
    635,800.03/877,401.45 = 363,866.63/x
  3. Step 3: Cross multiply
    635,800.03x = 877,401.45 × 363,866.63
  4. Step 4: Simplify right side
    635,800.03x = 319,257,104,381.61
  5. Step 5: Solve for x
    x = 319,257,104,381.61/635,800.03
  6. Step 6: Final answer
    x = 502,134.46

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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.