Home / 670,944.16-1,006,515.54-221,712.40

Finding the Fourth Proportional to 670,944.16, 1,006,515.54 and 221,712.40

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Solution

The fourth proportional to 670,944.16, 1,006,515.54 and 221,712.40 is: 332,601.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,944.16 : 1,006,515.54 = 221,712.40 : x
  2. Step 2: Convert to fraction form
    670,944.16/1,006,515.54 = 221,712.40/x
  3. Step 3: Cross multiply
    670,944.16x = 1,006,515.54 × 221,712.40
  4. Step 4: Simplify right side
    670,944.16x = 223,156,976,010.70
  5. Step 5: Solve for x
    x = 223,156,976,010.70/670,944.16
  6. Step 6: Final answer
    x = 332,601.41

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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.