Home / 747,323.10-1,120,984.65-740,324.70

Finding the Fourth Proportional to 747,323.10, 1,120,984.65 and 740,324.70

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Solution

The fourth proportional to 747,323.10, 1,120,984.65 and 740,324.70 is: 1,110,487.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,323.10 : 1,120,984.65 = 740,324.70 : x
  2. Step 2: Convert to fraction form
    747,323.10/1,120,984.65 = 740,324.70/x
  3. Step 3: Cross multiply
    747,323.10x = 1,120,984.65 × 740,324.70
  4. Step 4: Simplify right side
    747,323.10x = 829,892,624,715.86
  5. Step 5: Solve for x
    x = 829,892,624,715.86/747,323.10
  6. Step 6: Final answer
    x = 1,110,487.05

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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.