Home / 476,288.32-657,275.56-261,432.04

Finding the Fourth Proportional to 476,288.32, 657,275.56 and 261,432.04

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Solution

The fourth proportional to 476,288.32, 657,275.56 and 261,432.04 is: 360,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,288.32 : 657,275.56 = 261,432.04 : x
  2. Step 2: Convert to fraction form
    476,288.32/657,275.56 = 261,432.04/x
  3. Step 3: Cross multiply
    476,288.32x = 657,275.56 × 261,432.04
  4. Step 4: Simplify right side
    476,288.32x = 171,832,890,492.94
  5. Step 5: Solve for x
    x = 171,832,890,492.94/476,288.32
  6. Step 6: Final answer
    x = 360,774.94

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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.