Home / 699,330.60-1,048,218.30-299,903.40

Finding the Fourth Proportional to 699,330.60, 1,048,218.30 and 299,903.40

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Solution

The fourth proportional to 699,330.60, 1,048,218.30 and 299,903.40 is: 449,521.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,330.60 : 1,048,218.30 = 299,903.40 : x
  2. Step 2: Convert to fraction form
    699,330.60/1,048,218.30 = 299,903.40/x
  3. Step 3: Cross multiply
    699,330.60x = 1,048,218.30 × 299,903.40
  4. Step 4: Simplify right side
    699,330.60x = 314,364,232,112.22
  5. Step 5: Solve for x
    x = 314,364,232,112.22/699,330.60
  6. Step 6: Final answer
    x = 449,521.63

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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.