Home / 895,775.28-1,236,170.88-487,877.76

Finding the Fourth Proportional to 895,775.28, 1,236,170.88 and 487,877.76

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Solution

The fourth proportional to 895,775.28, 1,236,170.88 and 487,877.76 is: 673,271.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,775.28 : 1,236,170.88 = 487,877.76 : x
  2. Step 2: Convert to fraction form
    895,775.28/1,236,170.88 = 487,877.76/x
  3. Step 3: Cross multiply
    895,775.28x = 1,236,170.88 × 487,877.76
  4. Step 4: Simplify right side
    895,775.28x = 603,100,279,911.63
  5. Step 5: Solve for x
    x = 603,100,279,911.63/895,775.28
  6. Step 6: Final answer
    x = 673,271.85

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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.