Home / 680,891.40-1,021,337.10-452,568.60

Finding the Fourth Proportional to 680,891.40, 1,021,337.10 and 452,568.60

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Solution

The fourth proportional to 680,891.40, 1,021,337.10 and 452,568.60 is: 678,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,891.40 : 1,021,337.10 = 452,568.60 : x
  2. Step 2: Convert to fraction form
    680,891.40/1,021,337.10 = 452,568.60/x
  3. Step 3: Cross multiply
    680,891.40x = 1,021,337.10 × 452,568.60
  4. Step 4: Simplify right side
    680,891.40x = 462,225,101,475.06
  5. Step 5: Solve for x
    x = 462,225,101,475.06/680,891.40
  6. Step 6: Final answer
    x = 678,852.90

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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.