Home / 691,873.20-1,037,809.80-424,767.60

Finding the Fourth Proportional to 691,873.20, 1,037,809.80 and 424,767.60

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Solution

The fourth proportional to 691,873.20, 1,037,809.80 and 424,767.60 is: 637,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,873.20 : 1,037,809.80 = 424,767.60 : x
  2. Step 2: Convert to fraction form
    691,873.20/1,037,809.80 = 424,767.60/x
  3. Step 3: Cross multiply
    691,873.20x = 1,037,809.80 × 424,767.60
  4. Step 4: Simplify right side
    691,873.20x = 440,827,978,002.48
  5. Step 5: Solve for x
    x = 440,827,978,002.48/691,873.20
  6. Step 6: Final answer
    x = 637,151.40

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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.