Home / 688,302.23-1,033,110.06-422,581.73

Finding the Fourth Proportional to 688,302.23, 1,033,110.06 and 422,581.73

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Solution

The fourth proportional to 688,302.23, 1,033,110.06 and 422,581.73 is: 634,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,302.23 : 1,033,110.06 = 422,581.73 : x
  2. Step 2: Convert to fraction form
    688,302.23/1,033,110.06 = 422,581.73/x
  3. Step 3: Cross multiply
    688,302.23x = 1,033,110.06 × 422,581.73
  4. Step 4: Simplify right side
    688,302.23x = 436,573,436,435.20
  5. Step 5: Solve for x
    x = 436,573,436,435.20/688,302.23
  6. Step 6: Final answer
    x = 634,275.78

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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.