Home / 980,611.57-1,353,235.80-550,882.40

Finding the Fourth Proportional to 980,611.57, 1,353,235.80 and 550,882.40

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Solution

The fourth proportional to 980,611.57, 1,353,235.80 and 550,882.40 is: 760,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,611.57 : 1,353,235.80 = 550,882.40 : x
  2. Step 2: Convert to fraction form
    980,611.57/1,353,235.80 = 550,882.40/x
  3. Step 3: Cross multiply
    980,611.57x = 1,353,235.80 × 550,882.40
  4. Step 4: Simplify right side
    980,611.57x = 745,473,788,653.01
  5. Step 5: Solve for x
    x = 745,473,788,653.01/980,611.57
  6. Step 6: Final answer
    x = 760,213.13

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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.