Home / 876,602.90-1,315,712.55-444,623.55

Finding the Fourth Proportional to 876,602.90, 1,315,712.55 and 444,623.55

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Solution

The fourth proportional to 876,602.90, 1,315,712.55 and 444,623.55 is: 667,345.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,602.90 : 1,315,712.55 = 444,623.55 : x
  2. Step 2: Convert to fraction form
    876,602.90/1,315,712.55 = 444,623.55/x
  3. Step 3: Cross multiply
    876,602.90x = 1,315,712.55 × 444,623.55
  4. Step 4: Simplify right side
    876,602.90x = 584,996,784,760.55
  5. Step 5: Solve for x
    x = 584,996,784,760.55/876,602.90
  6. Step 6: Final answer
    x = 667,345.26

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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.