Home / 614,220.12-847,299.96-422,901.36

Finding the Fourth Proportional to 614,220.12, 847,299.96 and 422,901.36

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Solution

The fourth proportional to 614,220.12, 847,299.96 and 422,901.36 is: 583,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,220.12 : 847,299.96 = 422,901.36 : x
  2. Step 2: Convert to fraction form
    614,220.12/847,299.96 = 422,901.36/x
  3. Step 3: Cross multiply
    614,220.12x = 847,299.96 × 422,901.36
  4. Step 4: Simplify right side
    614,220.12x = 358,324,305,411.95
  5. Step 5: Solve for x
    x = 358,324,305,411.95/614,220.12
  6. Step 6: Final answer
    x = 583,380.93

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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.