Home / 738,154.20-1,104,606.90-512,455.80

Finding the Fourth Proportional to 738,154.20, 1,104,606.90 and 512,455.80

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Solution

The fourth proportional to 738,154.20, 1,104,606.90 and 512,455.80 is: 766,861.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,154.20 : 1,104,606.90 = 512,455.80 : x
  2. Step 2: Convert to fraction form
    738,154.20/1,104,606.90 = 512,455.80/x
  3. Step 3: Cross multiply
    738,154.20x = 1,104,606.90 × 512,455.80
  4. Step 4: Simplify right side
    738,154.20x = 566,062,212,625.02
  5. Step 5: Solve for x
    x = 566,062,212,625.02/738,154.20
  6. Step 6: Final answer
    x = 766,861.74

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1.5x scale

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.