Home / 1,285,232.40-1,927,848.60-338,698.80

Finding the Fourth Proportional to 1,285,232.40, 1,927,848.60 and 338,698.80

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Solution

The fourth proportional to 1,285,232.40, 1,927,848.60 and 338,698.80 is: 508,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,232.40 : 1,927,848.60 = 338,698.80 : x
  2. Step 2: Convert to fraction form
    1,285,232.40/1,927,848.60 = 338,698.80/x
  3. Step 3: Cross multiply
    1,285,232.40x = 1,927,848.60 × 338,698.80
  4. Step 4: Simplify right side
    1,285,232.40x = 652,960,007,401.68
  5. Step 5: Solve for x
    x = 652,960,007,401.68/1,285,232.40
  6. Step 6: Final answer
    x = 508,048.20

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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.