Home / 877,876.64-1,211,568.40-495,928.16

Finding the Fourth Proportional to 877,876.64, 1,211,568.40 and 495,928.16

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Solution

The fourth proportional to 877,876.64, 1,211,568.40 and 495,928.16 is: 684,436.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,876.64 : 1,211,568.40 = 495,928.16 : x
  2. Step 2: Convert to fraction form
    877,876.64/1,211,568.40 = 495,928.16/x
  3. Step 3: Cross multiply
    877,876.64x = 1,211,568.40 × 495,928.16
  4. Step 4: Simplify right side
    877,876.64x = 600,850,887,326.14
  5. Step 5: Solve for x
    x = 600,850,887,326.14/877,876.64
  6. Step 6: Final answer
    x = 684,436.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.