Home / 891,931.65-1,230,866.48-484,033.52

Finding the Fourth Proportional to 891,931.65, 1,230,866.48 and 484,033.52

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Solution

The fourth proportional to 891,931.65, 1,230,866.48 and 484,033.52 is: 667,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,931.65 : 1,230,866.48 = 484,033.52 : x
  2. Step 2: Convert to fraction form
    891,931.65/1,230,866.48 = 484,033.52/x
  3. Step 3: Cross multiply
    891,931.65x = 1,230,866.48 × 484,033.52
  4. Step 4: Simplify right side
    891,931.65x = 595,780,639,251.66
  5. Step 5: Solve for x
    x = 595,780,639,251.66/891,931.65
  6. Step 6: Final answer
    x = 667,966.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.