Home / 547,938.18-756,152.15-306,220.61

Finding the Fourth Proportional to 547,938.18, 756,152.15 and 306,220.61

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Solution

The fourth proportional to 547,938.18, 756,152.15 and 306,220.61 is: 422,583.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,938.18 : 756,152.15 = 306,220.61 : x
  2. Step 2: Convert to fraction form
    547,938.18/756,152.15 = 306,220.61/x
  3. Step 3: Cross multiply
    547,938.18x = 756,152.15 × 306,220.61
  4. Step 4: Simplify right side
    547,938.18x = 231,549,367,313.95
  5. Step 5: Solve for x
    x = 231,549,367,313.95/547,938.18
  6. Step 6: Final answer
    x = 422,583.01

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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.