Home / 688,541.20-1,032,811.80-475,964.80

Finding the Fourth Proportional to 688,541.20, 1,032,811.80 and 475,964.80

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Solution

The fourth proportional to 688,541.20, 1,032,811.80 and 475,964.80 is: 713,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,541.20 : 1,032,811.80 = 475,964.80 : x
  2. Step 2: Convert to fraction form
    688,541.20/1,032,811.80 = 475,964.80/x
  3. Step 3: Cross multiply
    688,541.20x = 1,032,811.80 × 475,964.80
  4. Step 4: Simplify right side
    688,541.20x = 491,582,061,824.64
  5. Step 5: Solve for x
    x = 491,582,061,824.64/688,541.20
  6. Step 6: Final answer
    x = 713,947.20

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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.