Home / 927,340.40-1,388,386.20-822,364.40

Finding the Fourth Proportional to 927,340.40, 1,388,386.20 and 822,364.40

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Solution

The fourth proportional to 927,340.40, 1,388,386.20 and 822,364.40 is: 1,231,219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,340.40 : 1,388,386.20 = 822,364.40 : x
  2. Step 2: Convert to fraction form
    927,340.40/1,388,386.20 = 822,364.40/x
  3. Step 3: Cross multiply
    927,340.40x = 1,388,386.20 × 822,364.40
  4. Step 4: Simplify right side
    927,340.40x = 1,141,759,384,331.28
  5. Step 5: Solve for x
    x = 1,141,759,384,331.28/927,340.40
  6. Step 6: Final answer
    x = 1,231,219.29

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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.