Home / 727,712.40-1,091,568.60-609,614.40

Finding the Fourth Proportional to 727,712.40, 1,091,568.60 and 609,614.40

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Solution

The fourth proportional to 727,712.40, 1,091,568.60 and 609,614.40 is: 914,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,712.40 : 1,091,568.60 = 609,614.40 : x
  2. Step 2: Convert to fraction form
    727,712.40/1,091,568.60 = 609,614.40/x
  3. Step 3: Cross multiply
    727,712.40x = 1,091,568.60 × 609,614.40
  4. Step 4: Simplify right side
    727,712.40x = 665,435,937,147.84
  5. Step 5: Solve for x
    x = 665,435,937,147.84/727,712.40
  6. Step 6: Final answer
    x = 914,421.60

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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.