Home / 727,713.90-1,091,570.85-609,615.90

Finding the Fourth Proportional to 727,713.90, 1,091,570.85 and 609,615.90

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Solution

The fourth proportional to 727,713.90, 1,091,570.85 and 609,615.90 is: 914,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,713.90 : 1,091,570.85 = 609,615.90 : x
  2. Step 2: Convert to fraction form
    727,713.90/1,091,570.85 = 609,615.90/x
  3. Step 3: Cross multiply
    727,713.90x = 1,091,570.85 × 609,615.90
  4. Step 4: Simplify right side
    727,713.90x = 665,438,946,136.52
  5. Step 5: Solve for x
    x = 665,438,946,136.52/727,713.90
  6. Step 6: Final answer
    x = 914,423.85

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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.