Home / 866,377.32-1,299,289.62-297,621.28

Finding the Fourth Proportional to 866,377.32, 1,299,289.62 and 297,621.28

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Solution

The fourth proportional to 866,377.32, 1,299,289.62 and 297,621.28 is: 446,336.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,377.32 : 1,299,289.62 = 297,621.28 : x
  2. Step 2: Convert to fraction form
    866,377.32/1,299,289.62 = 297,621.28/x
  3. Step 3: Cross multiply
    866,377.32x = 1,299,289.62 × 297,621.28
  4. Step 4: Simplify right side
    866,377.32x = 386,696,238,307.01
  5. Step 5: Solve for x
    x = 386,696,238,307.01/866,377.32
  6. Step 6: Final answer
    x = 446,336.98

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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.