Home / 708,537.20-1,062,805.80-288,114.80

Finding the Fourth Proportional to 708,537.20, 1,062,805.80 and 288,114.80

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Solution

The fourth proportional to 708,537.20, 1,062,805.80 and 288,114.80 is: 432,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,537.20 : 1,062,805.80 = 288,114.80 : x
  2. Step 2: Convert to fraction form
    708,537.20/1,062,805.80 = 288,114.80/x
  3. Step 3: Cross multiply
    708,537.20x = 1,062,805.80 × 288,114.80
  4. Step 4: Simplify right side
    708,537.20x = 306,210,080,505.84
  5. Step 5: Solve for x
    x = 306,210,080,505.84/708,537.20
  6. Step 6: Final answer
    x = 432,172.20

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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.