Home / 888,643.31-1,226,322.69-480,743.94

Finding the Fourth Proportional to 888,643.31, 1,226,322.69 and 480,743.94

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Solution

The fourth proportional to 888,643.31, 1,226,322.69 and 480,743.94 is: 663,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,643.31 : 1,226,322.69 = 480,743.94 : x
  2. Step 2: Convert to fraction form
    888,643.31/1,226,322.69 = 480,743.94/x
  3. Step 3: Cross multiply
    888,643.31x = 1,226,322.69 × 480,743.94
  4. Step 4: Simplify right side
    888,643.31x = 589,547,204,497.92
  5. Step 5: Solve for x
    x = 589,547,204,497.92/888,643.31
  6. Step 6: Final answer
    x = 663,423.90

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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.