Home / 763,260.24-1,150,376.57-657,915.65

Finding the Fourth Proportional to 763,260.24, 1,150,376.57 and 657,915.65

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Solution

The fourth proportional to 763,260.24, 1,150,376.57 and 657,915.65 is: 991,602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,260.24 : 1,150,376.57 = 657,915.65 : x
  2. Step 2: Convert to fraction form
    763,260.24/1,150,376.57 = 657,915.65/x
  3. Step 3: Cross multiply
    763,260.24x = 1,150,376.57 × 657,915.65
  4. Step 4: Simplify right side
    763,260.24x = 756,850,746,535.96
  5. Step 5: Solve for x
    x = 756,850,746,535.96/763,260.24
  6. Step 6: Final answer
    x = 991,602.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.