Home / 899,217.60-1,348,610.40-519,316.80

Finding the Fourth Proportional to 899,217.60, 1,348,610.40 and 519,316.80

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Solution

The fourth proportional to 899,217.60, 1,348,610.40 and 519,316.80 is: 778,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,217.60 : 1,348,610.40 = 519,316.80 : x
  2. Step 2: Convert to fraction form
    899,217.60/1,348,610.40 = 519,316.80/x
  3. Step 3: Cross multiply
    899,217.60x = 1,348,610.40 × 519,316.80
  4. Step 4: Simplify right side
    899,217.60x = 700,356,037,374.72
  5. Step 5: Solve for x
    x = 700,356,037,374.72/899,217.60
  6. Step 6: Final answer
    x = 778,850.46

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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.