Home / 699,091.20-1,046,227.32-429,040.08

Finding the Fourth Proportional to 699,091.20, 1,046,227.32 and 429,040.08

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Solution

The fourth proportional to 699,091.20, 1,046,227.32 and 429,040.08 is: 642,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,091.20 : 1,046,227.32 = 429,040.08 : x
  2. Step 2: Convert to fraction form
    699,091.20/1,046,227.32 = 429,040.08/x
  3. Step 3: Cross multiply
    699,091.20x = 1,046,227.32 × 429,040.08
  4. Step 4: Simplify right side
    699,091.20x = 448,873,453,070.99
  5. Step 5: Solve for x
    x = 448,873,453,070.99/699,091.20
  6. Step 6: Final answer
    x = 642,081.40

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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.