Home / 909,877.08-1,364,766.39-278,792.72

Finding the Fourth Proportional to 909,877.08, 1,364,766.39 and 278,792.72

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Solution

The fourth proportional to 909,877.08, 1,364,766.39 and 278,792.72 is: 418,174.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,877.08 : 1,364,766.39 = 278,792.72 : x
  2. Step 2: Convert to fraction form
    909,877.08/1,364,766.39 = 278,792.72/x
  3. Step 3: Cross multiply
    909,877.08x = 1,364,766.39 × 278,792.72
  4. Step 4: Simplify right side
    909,877.08x = 380,486,934,032.68
  5. Step 5: Solve for x
    x = 380,486,934,032.68/909,877.08
  6. Step 6: Final answer
    x = 418,174.00

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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.