Home / 750,989.10-1,127,223.72-535,087.65

Finding the Fourth Proportional to 750,989.10, 1,127,223.72 and 535,087.65

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Solution

The fourth proportional to 750,989.10, 1,127,223.72 and 535,087.65 is: 803,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,989.10 : 1,127,223.72 = 535,087.65 : x
  2. Step 2: Convert to fraction form
    750,989.10/1,127,223.72 = 535,087.65/x
  3. Step 3: Cross multiply
    750,989.10x = 1,127,223.72 × 535,087.65
  4. Step 4: Simplify right side
    750,989.10x = 603,163,491,359.06
  5. Step 5: Solve for x
    x = 603,163,491,359.06/750,989.10
  6. Step 6: Final answer
    x = 803,158.78

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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.