Home / 480,511.05-663,109.38-265,660.17

Finding the Fourth Proportional to 480,511.05, 663,109.38 and 265,660.17

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Solution

The fourth proportional to 480,511.05, 663,109.38 and 265,660.17 is: 366,613.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,511.05 : 663,109.38 = 265,660.17 : x
  2. Step 2: Convert to fraction form
    480,511.05/663,109.38 = 265,660.17/x
  3. Step 3: Cross multiply
    480,511.05x = 663,109.38 × 265,660.17
  4. Step 4: Simplify right side
    480,511.05x = 176,161,750,619.40
  5. Step 5: Solve for x
    x = 176,161,750,619.40/480,511.05
  6. Step 6: Final answer
    x = 366,613.32

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1.5x scale

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.