Home / 947,815.60-1,421,723.40-237,866.80

Finding the Fourth Proportional to 947,815.60, 1,421,723.40 and 237,866.80

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Solution

The fourth proportional to 947,815.60, 1,421,723.40 and 237,866.80 is: 356,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,815.60 : 1,421,723.40 = 237,866.80 : x
  2. Step 2: Convert to fraction form
    947,815.60/1,421,723.40 = 237,866.80/x
  3. Step 3: Cross multiply
    947,815.60x = 1,421,723.40 × 237,866.80
  4. Step 4: Simplify right side
    947,815.60x = 338,180,795,643.12
  5. Step 5: Solve for x
    x = 338,180,795,643.12/947,815.60
  6. Step 6: Final answer
    x = 356,800.20

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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.