Home / 784,971.60-1,177,457.40-727,234.80

Finding the Fourth Proportional to 784,971.60, 1,177,457.40 and 727,234.80

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Solution

The fourth proportional to 784,971.60, 1,177,457.40 and 727,234.80 is: 1,090,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,971.60 : 1,177,457.40 = 727,234.80 : x
  2. Step 2: Convert to fraction form
    784,971.60/1,177,457.40 = 727,234.80/x
  3. Step 3: Cross multiply
    784,971.60x = 1,177,457.40 × 727,234.80
  4. Step 4: Simplify right side
    784,971.60x = 856,287,996,797.52
  5. Step 5: Solve for x
    x = 856,287,996,797.52/784,971.60
  6. Step 6: Final answer
    x = 1,090,852.20

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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.