Home / 899,231.60-1,348,631.40-519,330.80

Finding the Fourth Proportional to 899,231.60, 1,348,631.40 and 519,330.80

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Solution

The fourth proportional to 899,231.60, 1,348,631.40 and 519,330.80 is: 778,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,231.60 : 1,348,631.40 = 519,330.80 : x
  2. Step 2: Convert to fraction form
    899,231.60/1,348,631.40 = 519,330.80/x
  3. Step 3: Cross multiply
    899,231.60x = 1,348,631.40 × 519,330.80
  4. Step 4: Simplify right side
    899,231.60x = 700,385,823,867.12
  5. Step 5: Solve for x
    x = 700,385,823,867.12/899,231.60
  6. Step 6: Final answer
    x = 778,871.45

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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.