Home / 727,824.40-1,091,736.60-609,726.40

Finding the Fourth Proportional to 727,824.40, 1,091,736.60 and 609,726.40

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Solution

The fourth proportional to 727,824.40, 1,091,736.60 and 609,726.40 is: 914,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,824.40 : 1,091,736.60 = 609,726.40 : x
  2. Step 2: Convert to fraction form
    727,824.40/1,091,736.60 = 609,726.40/x
  3. Step 3: Cross multiply
    727,824.40x = 1,091,736.60 × 609,726.40
  4. Step 4: Simplify right side
    727,824.40x = 665,660,626,866.24
  5. Step 5: Solve for x
    x = 665,660,626,866.24/727,824.40
  6. Step 6: Final answer
    x = 914,589.60

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1.5x scale

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.