Home / 854,037.10-1,281,454.17-380,673.10

Finding the Fourth Proportional to 854,037.10, 1,281,454.17 and 380,673.10

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Solution

The fourth proportional to 854,037.10, 1,281,454.17 and 380,673.10 is: 571,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,037.10 : 1,281,454.17 = 380,673.10 : x
  2. Step 2: Convert to fraction form
    854,037.10/1,281,454.17 = 380,673.10/x
  3. Step 3: Cross multiply
    854,037.10x = 1,281,454.17 × 380,673.10
  4. Step 4: Simplify right side
    854,037.10x = 487,815,131,401.83
  5. Step 5: Solve for x
    x = 487,815,131,401.83/854,037.10
  6. Step 6: Final answer
    x = 571,187.28

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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.