Home / 836,854.89-1,255,271.40-205,774.17

Finding the Fourth Proportional to 836,854.89, 1,255,271.40 and 205,774.17

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Solution

The fourth proportional to 836,854.89, 1,255,271.40 and 205,774.17 is: 308,658.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,854.89 : 1,255,271.40 = 205,774.17 : x
  2. Step 2: Convert to fraction form
    836,854.89/1,255,271.40 = 205,774.17/x
  3. Step 3: Cross multiply
    836,854.89x = 1,255,271.40 × 205,774.17
  4. Step 4: Simplify right side
    836,854.89x = 258,302,430,459.74
  5. Step 5: Solve for x
    x = 258,302,430,459.74/836,854.89
  6. Step 6: Final answer
    x = 308,658.57

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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.