Home / 490,160.15-676,423.70-275,300.24

Finding the Fourth Proportional to 490,160.15, 676,423.70 and 275,300.24

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Solution

The fourth proportional to 490,160.15, 676,423.70 and 275,300.24 is: 379,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,160.15 : 676,423.70 = 275,300.24 : x
  2. Step 2: Convert to fraction form
    490,160.15/676,423.70 = 275,300.24/x
  3. Step 3: Cross multiply
    490,160.15x = 676,423.70 × 275,300.24
  4. Step 4: Simplify right side
    490,160.15x = 186,219,609,331.00
  5. Step 5: Solve for x
    x = 186,219,609,331.00/490,160.15
  6. Step 6: Final answer
    x = 379,915.85

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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.