Home / 879,965.68-1,319,948.50-406,589.52

Finding the Fourth Proportional to 879,965.68, 1,319,948.50 and 406,589.52

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Solution

The fourth proportional to 879,965.68, 1,319,948.50 and 406,589.52 is: 609,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,965.68 : 1,319,948.50 = 406,589.52 : x
  2. Step 2: Convert to fraction form
    879,965.68/1,319,948.50 = 406,589.52/x
  3. Step 3: Cross multiply
    879,965.68x = 1,319,948.50 × 406,589.52
  4. Step 4: Simplify right side
    879,965.68x = 536,677,227,039.72
  5. Step 5: Solve for x
    x = 536,677,227,039.72/879,965.68
  6. Step 6: Final answer
    x = 609,884.27

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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.