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Finding the Fourth Proportional to 635,430.52, 876,897.06 and 363,501.40

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Solution

The fourth proportional to 635,430.52, 876,897.06 and 363,501.40 is: 501,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,430.52 : 876,897.06 = 363,501.40 : x
  2. Step 2: Convert to fraction form
    635,430.52/876,897.06 = 363,501.40/x
  3. Step 3: Cross multiply
    635,430.52x = 876,897.06 × 363,501.40
  4. Step 4: Simplify right side
    635,430.52x = 318,753,308,965.88
  5. Step 5: Solve for x
    x = 318,753,308,965.88/635,430.52
  6. Step 6: Final answer
    x = 501,633.62

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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.