Home / 947,815.74-1,421,812.71-348,788.34

Finding the Fourth Proportional to 947,815.74, 1,421,812.71 and 348,788.34

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Solution

The fourth proportional to 947,815.74, 1,421,812.71 and 348,788.34 is: 523,215.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,815.74 : 1,421,812.71 = 348,788.34 : x
  2. Step 2: Convert to fraction form
    947,815.74/1,421,812.71 = 348,788.34/x
  3. Step 3: Cross multiply
    947,815.74x = 1,421,812.71 × 348,788.34
  4. Step 4: Simplify right side
    947,815.74x = 495,911,694,911.80
  5. Step 5: Solve for x
    x = 495,911,694,911.80/947,815.74
  6. Step 6: Final answer
    x = 523,215.30

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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.