Home / 850,827.65-1,275,469.02-424,493.87

Finding the Fourth Proportional to 850,827.65, 1,275,469.02 and 424,493.87

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Solution

The fourth proportional to 850,827.65, 1,275,469.02 and 424,493.87 is: 636,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,827.65 : 1,275,469.02 = 424,493.87 : x
  2. Step 2: Convert to fraction form
    850,827.65/1,275,469.02 = 424,493.87/x
  3. Step 3: Cross multiply
    850,827.65x = 1,275,469.02 × 424,493.87
  4. Step 4: Simplify right side
    850,827.65x = 541,428,779,968.19
  5. Step 5: Solve for x
    x = 541,428,779,968.19/850,827.65
  6. Step 6: Final answer
    x = 636,355.41

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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.