Home / 744,579.60-1,116,869.40-620,576.70

Finding the Fourth Proportional to 744,579.60, 1,116,869.40 and 620,576.70

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Solution

The fourth proportional to 744,579.60, 1,116,869.40 and 620,576.70 is: 930,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,579.60 : 1,116,869.40 = 620,576.70 : x
  2. Step 2: Convert to fraction form
    744,579.60/1,116,869.40 = 620,576.70/x
  3. Step 3: Cross multiply
    744,579.60x = 1,116,869.40 × 620,576.70
  4. Step 4: Simplify right side
    744,579.60x = 693,103,126,582.98
  5. Step 5: Solve for x
    x = 693,103,126,582.98/744,579.60
  6. Step 6: Final answer
    x = 930,865.05

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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.