Home / 926,732.40-1,390,078.08-252,801.60

Finding the Fourth Proportional to 926,732.40, 1,390,078.08 and 252,801.60

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Solution

The fourth proportional to 926,732.40, 1,390,078.08 and 252,801.60 is: 379,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,732.40 : 1,390,078.08 = 252,801.60 : x
  2. Step 2: Convert to fraction form
    926,732.40/1,390,078.08 = 252,801.60/x
  3. Step 3: Cross multiply
    926,732.40x = 1,390,078.08 × 252,801.60
  4. Step 4: Simplify right side
    926,732.40x = 351,413,962,748.93
  5. Step 5: Solve for x
    x = 351,413,962,748.93/926,732.40
  6. Step 6: Final answer
    x = 379,196.80

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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.