Home / 880,106.82-1,319,948.85-406,336.98

Finding the Fourth Proportional to 880,106.82, 1,319,948.85 and 406,336.98

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Solution

The fourth proportional to 880,106.82, 1,319,948.85 and 406,336.98 is: 609,407.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,106.82 : 1,319,948.85 = 406,336.98 : x
  2. Step 2: Convert to fraction form
    880,106.82/1,319,948.85 = 406,336.98/x
  3. Step 3: Cross multiply
    880,106.82x = 1,319,948.85 × 406,336.98
  4. Step 4: Simplify right side
    880,106.82x = 536,344,029,463.47
  5. Step 5: Solve for x
    x = 536,344,029,463.47/880,106.82
  6. Step 6: Final answer
    x = 609,407.88

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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.