Home / 885,299.19-1,328,368.92-458,755.30

Finding the Fourth Proportional to 885,299.19, 1,328,368.92 and 458,755.30

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Solution

The fourth proportional to 885,299.19, 1,328,368.92 and 458,755.30 is: 688,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,299.19 : 1,328,368.92 = 458,755.30 : x
  2. Step 2: Convert to fraction form
    885,299.19/1,328,368.92 = 458,755.30/x
  3. Step 3: Cross multiply
    885,299.19x = 1,328,368.92 × 458,755.30
  4. Step 4: Simplify right side
    885,299.19x = 609,396,274,873.33
  5. Step 5: Solve for x
    x = 609,396,274,873.33/885,299.19
  6. Step 6: Final answer
    x = 688,350.65

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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.