Home / 699,802.80-1,049,704.20-459,265.20

Finding the Fourth Proportional to 699,802.80, 1,049,704.20 and 459,265.20

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Solution

The fourth proportional to 699,802.80, 1,049,704.20 and 459,265.20 is: 688,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,802.80 : 1,049,704.20 = 459,265.20 : x
  2. Step 2: Convert to fraction form
    699,802.80/1,049,704.20 = 459,265.20/x
  3. Step 3: Cross multiply
    699,802.80x = 1,049,704.20 × 459,265.20
  4. Step 4: Simplify right side
    699,802.80x = 482,092,609,353.84
  5. Step 5: Solve for x
    x = 482,092,609,353.84/699,802.80
  6. Step 6: Final answer
    x = 688,897.80

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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.