Home / 472,856.10-709,277.25-219,995.16

Finding the Fourth Proportional to 472,856.10, 709,277.25 and 219,995.16

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Solution

The fourth proportional to 472,856.10, 709,277.25 and 219,995.16 is: 329,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,856.10 : 709,277.25 = 219,995.16 : x
  2. Step 2: Convert to fraction form
    472,856.10/709,277.25 = 219,995.16/x
  3. Step 3: Cross multiply
    472,856.10x = 709,277.25 × 219,995.16
  4. Step 4: Simplify right side
    472,856.10x = 156,037,562,098.11
  5. Step 5: Solve for x
    x = 156,037,562,098.11/472,856.10
  6. Step 6: Final answer
    x = 329,989.53

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1.5x scale

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.