Home / 857,706.74-1,286,606.28-226,603.34

Finding the Fourth Proportional to 857,706.74, 1,286,606.28 and 226,603.34

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Solution

The fourth proportional to 857,706.74, 1,286,606.28 and 226,603.34 is: 339,917.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,706.74 : 1,286,606.28 = 226,603.34 : x
  2. Step 2: Convert to fraction form
    857,706.74/1,286,606.28 = 226,603.34/x
  3. Step 3: Cross multiply
    857,706.74x = 1,286,606.28 × 226,603.34
  4. Step 4: Simplify right side
    857,706.74x = 291,549,280,312.98
  5. Step 5: Solve for x
    x = 291,549,280,312.98/857,706.74
  6. Step 6: Final answer
    x = 339,917.21

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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.