Home / 688,423.90-1,032,351.61-298,955.65

Finding the Fourth Proportional to 688,423.90, 1,032,351.61 and 298,955.65

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Solution

The fourth proportional to 688,423.90, 1,032,351.61 and 298,955.65 is: 448,310.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,423.90 : 1,032,351.61 = 298,955.65 : x
  2. Step 2: Convert to fraction form
    688,423.90/1,032,351.61 = 298,955.65/x
  3. Step 3: Cross multiply
    688,423.90x = 1,032,351.61 × 298,955.65
  4. Step 4: Simplify right side
    688,423.90x = 308,627,346,596.10
  5. Step 5: Solve for x
    x = 308,627,346,596.10/688,423.90
  6. Step 6: Final answer
    x = 448,310.04

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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.