Home / 874,865.30-1,312,881.15-401,306.90

Finding the Fourth Proportional to 874,865.30, 1,312,881.15 and 401,306.90

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Solution

The fourth proportional to 874,865.30, 1,312,881.15 and 401,306.90 is: 602,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,865.30 : 1,312,881.15 = 401,306.90 : x
  2. Step 2: Convert to fraction form
    874,865.30/1,312,881.15 = 401,306.90/x
  3. Step 3: Cross multiply
    874,865.30x = 1,312,881.15 × 401,306.90
  4. Step 4: Simplify right side
    874,865.30x = 526,868,264,374.94
  5. Step 5: Solve for x
    x = 526,868,264,374.94/874,865.30
  6. Step 6: Final answer
    x = 602,227.87

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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.