Home / 692,638.68-1,038,171.30-293,030.04

Finding the Fourth Proportional to 692,638.68, 1,038,171.30 and 293,030.04

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Solution

The fourth proportional to 692,638.68, 1,038,171.30 and 293,030.04 is: 439,212.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,638.68 : 1,038,171.30 = 293,030.04 : x
  2. Step 2: Convert to fraction form
    692,638.68/1,038,171.30 = 293,030.04/x
  3. Step 3: Cross multiply
    692,638.68x = 1,038,171.30 × 293,030.04
  4. Step 4: Simplify right side
    692,638.68x = 304,215,377,565.85
  5. Step 5: Solve for x
    x = 304,215,377,565.85/692,638.68
  6. Step 6: Final answer
    x = 439,212.23

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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.