Home / 692,838.36-1,038,469.68-293,229.72

Finding the Fourth Proportional to 692,838.36, 1,038,469.68 and 293,229.72

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Solution

The fourth proportional to 692,838.36, 1,038,469.68 and 293,229.72 is: 439,511.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,838.36 : 1,038,469.68 = 293,229.72 : x
  2. Step 2: Convert to fraction form
    692,838.36/1,038,469.68 = 293,229.72/x
  3. Step 3: Cross multiply
    692,838.36x = 1,038,469.68 × 293,229.72
  4. Step 4: Simplify right side
    692,838.36x = 304,510,173,494.89
  5. Step 5: Solve for x
    x = 304,510,173,494.89/692,838.36
  6. Step 6: Final answer
    x = 439,511.13

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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.