Home / 813,347.60-1,220,079.71-244,683.86

Finding the Fourth Proportional to 813,347.60, 1,220,079.71 and 244,683.86

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Solution

The fourth proportional to 813,347.60, 1,220,079.71 and 244,683.86 is: 367,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,347.60 : 1,220,079.71 = 244,683.86 : x
  2. Step 2: Convert to fraction form
    813,347.60/1,220,079.71 = 244,683.86/x
  3. Step 3: Cross multiply
    813,347.60x = 1,220,079.71 × 244,683.86
  4. Step 4: Simplify right side
    813,347.60x = 298,533,807,461.79
  5. Step 5: Solve for x
    x = 298,533,807,461.79/813,347.60
  6. Step 6: Final answer
    x = 367,043.33

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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.