Home / 644,822.18-965,750.25-374,280.29

Finding the Fourth Proportional to 644,822.18, 965,750.25 and 374,280.29

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Solution

The fourth proportional to 644,822.18, 965,750.25 and 374,280.29 is: 560,559.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,822.18 : 965,750.25 = 374,280.29 : x
  2. Step 2: Convert to fraction form
    644,822.18/965,750.25 = 374,280.29/x
  3. Step 3: Cross multiply
    644,822.18x = 965,750.25 × 374,280.29
  4. Step 4: Simplify right side
    644,822.18x = 361,461,278,808.82
  5. Step 5: Solve for x
    x = 361,461,278,808.82/644,822.18
  6. Step 6: Final answer
    x = 560,559.63

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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.