Home / 784,234.80-1,176,352.20-740,689.20

Finding the Fourth Proportional to 784,234.80, 1,176,352.20 and 740,689.20

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Solution

The fourth proportional to 784,234.80, 1,176,352.20 and 740,689.20 is: 1,111,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,234.80 : 1,176,352.20 = 740,689.20 : x
  2. Step 2: Convert to fraction form
    784,234.80/1,176,352.20 = 740,689.20/x
  3. Step 3: Cross multiply
    784,234.80x = 1,176,352.20 × 740,689.20
  4. Step 4: Simplify right side
    784,234.80x = 871,311,369,936.24
  5. Step 5: Solve for x
    x = 871,311,369,936.24/784,234.80
  6. Step 6: Final answer
    x = 1,111,033.80

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Double scale
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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.