Home / 899,229.60-1,348,628.40-519,328.80

Finding the Fourth Proportional to 899,229.60, 1,348,628.40 and 519,328.80

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Solution

The fourth proportional to 899,229.60, 1,348,628.40 and 519,328.80 is: 778,868.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,229.60 : 1,348,628.40 = 519,328.80 : x
  2. Step 2: Convert to fraction form
    899,229.60/1,348,628.40 = 519,328.80/x
  3. Step 3: Cross multiply
    899,229.60x = 1,348,628.40 × 519,328.80
  4. Step 4: Simplify right side
    899,229.60x = 700,381,568,617.92
  5. Step 5: Solve for x
    x = 700,381,568,617.92/899,229.60
  6. Step 6: Final answer
    x = 778,868.45

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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.