Home / 923,641.90-1,385,541.42-324,551.32

Finding the Fourth Proportional to 923,641.90, 1,385,541.42 and 324,551.32

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Solution

The fourth proportional to 923,641.90, 1,385,541.42 and 324,551.32 is: 486,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,641.90 : 1,385,541.42 = 324,551.32 : x
  2. Step 2: Convert to fraction form
    923,641.90/1,385,541.42 = 324,551.32/x
  3. Step 3: Cross multiply
    923,641.90x = 1,385,541.42 × 324,551.32
  4. Step 4: Simplify right side
    923,641.90x = 449,679,296,775.67
  5. Step 5: Solve for x
    x = 449,679,296,775.67/923,641.90
  6. Step 6: Final answer
    x = 486,854.59

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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.