Home / 284,519.22-426,774.57-84,840.45

Finding the Fourth Proportional to 284,519.22, 426,774.57 and 84,840.45

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Solution

The fourth proportional to 284,519.22, 426,774.57 and 84,840.45 is: 127,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,519.22 : 426,774.57 = 84,840.45 : x
  2. Step 2: Convert to fraction form
    284,519.22/426,774.57 = 84,840.45/x
  3. Step 3: Cross multiply
    284,519.22x = 426,774.57 × 84,840.45
  4. Step 4: Simplify right side
    284,519.22x = 36,207,746,567.36
  5. Step 5: Solve for x
    x = 36,207,746,567.36/284,519.22
  6. Step 6: Final answer
    x = 127,259.40

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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.