Home / 768,866.99-1,061,032.23-424,726.60

Finding the Fourth Proportional to 768,866.99, 1,061,032.23 and 424,726.60

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Solution

The fourth proportional to 768,866.99, 1,061,032.23 and 424,726.60 is: 586,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,866.99 : 1,061,032.23 = 424,726.60 : x
  2. Step 2: Convert to fraction form
    768,866.99/1,061,032.23 = 424,726.60/x
  3. Step 3: Cross multiply
    768,866.99x = 1,061,032.23 × 424,726.60
  4. Step 4: Simplify right side
    768,866.99x = 450,648,608,885.74
  5. Step 5: Solve for x
    x = 450,648,608,885.74/768,866.99
  6. Step 6: Final answer
    x = 586,120.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.