Home / 808,078.40-1,212,010.08-584,505.92

Finding the Fourth Proportional to 808,078.40, 1,212,010.08 and 584,505.92

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Solution

The fourth proportional to 808,078.40, 1,212,010.08 and 584,505.92 is: 876,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,078.40 : 1,212,010.08 = 584,505.92 : x
  2. Step 2: Convert to fraction form
    808,078.40/1,212,010.08 = 584,505.92/x
  3. Step 3: Cross multiply
    808,078.40x = 1,212,010.08 × 584,505.92
  4. Step 4: Simplify right side
    808,078.40x = 708,427,066,859.67
  5. Step 5: Solve for x
    x = 708,427,066,859.67/808,078.40
  6. Step 6: Final answer
    x = 876,681.11

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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.