Home / 1,003,275.90-1,504,909.80-363,430.08

Finding the Fourth Proportional to 1,003,275.90, 1,504,909.80 and 363,430.08

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Solution

The fourth proportional to 1,003,275.90, 1,504,909.80 and 363,430.08 is: 545,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,275.90 : 1,504,909.80 = 363,430.08 : x
  2. Step 2: Convert to fraction form
    1,003,275.90/1,504,909.80 = 363,430.08/x
  3. Step 3: Cross multiply
    1,003,275.90x = 1,504,909.80 × 363,430.08
  4. Step 4: Simplify right side
    1,003,275.90x = 546,929,489,006.78
  5. Step 5: Solve for x
    x = 546,929,489,006.78/1,003,275.90
  6. Step 6: Final answer
    x = 545,143.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.