Home / 729,294.72-1,006,528.15-407,025.57

Finding the Fourth Proportional to 729,294.72, 1,006,528.15 and 407,025.57

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Solution

The fourth proportional to 729,294.72, 1,006,528.15 and 407,025.57 is: 561,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,294.72 : 1,006,528.15 = 407,025.57 : x
  2. Step 2: Convert to fraction form
    729,294.72/1,006,528.15 = 407,025.57/x
  3. Step 3: Cross multiply
    729,294.72x = 1,006,528.15 × 407,025.57
  4. Step 4: Simplify right side
    729,294.72x = 409,682,698,258.06
  5. Step 5: Solve for x
    x = 409,682,698,258.06/729,294.72
  6. Step 6: Final answer
    x = 561,751.91

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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.