Home / 455,327.20-682,926.56-286,332.24

Finding the Fourth Proportional to 455,327.20, 682,926.56 and 286,332.24

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Solution

The fourth proportional to 455,327.20, 682,926.56 and 286,332.24 is: 429,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,327.20 : 682,926.56 = 286,332.24 : x
  2. Step 2: Convert to fraction form
    455,327.20/682,926.56 = 286,332.24/x
  3. Step 3: Cross multiply
    455,327.20x = 682,926.56 × 286,332.24
  4. Step 4: Simplify right side
    455,327.20x = 195,543,891,680.29
  5. Step 5: Solve for x
    x = 195,543,891,680.29/455,327.20
  6. Step 6: Final answer
    x = 429,457.96

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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.