Home / 690,364.64-1,035,591.72-217,068.32

Finding the Fourth Proportional to 690,364.64, 1,035,591.72 and 217,068.32

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Solution

The fourth proportional to 690,364.64, 1,035,591.72 and 217,068.32 is: 325,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,364.64 : 1,035,591.72 = 217,068.32 : x
  2. Step 2: Convert to fraction form
    690,364.64/1,035,591.72 = 217,068.32/x
  3. Step 3: Cross multiply
    690,364.64x = 1,035,591.72 × 217,068.32
  4. Step 4: Simplify right side
    690,364.64x = 224,794,154,866.31
  5. Step 5: Solve for x
    x = 224,794,154,866.31/690,364.64
  6. Step 6: Final answer
    x = 325,616.55

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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.