Home / 878,362.29-1,317,220.71-301,822.07

Finding the Fourth Proportional to 878,362.29, 1,317,220.71 and 301,822.07

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Solution

The fourth proportional to 878,362.29, 1,317,220.71 and 301,822.07 is: 452,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,362.29 : 1,317,220.71 = 301,822.07 : x
  2. Step 2: Convert to fraction form
    878,362.29/1,317,220.71 = 301,822.07/x
  3. Step 3: Cross multiply
    878,362.29x = 1,317,220.71 × 301,822.07
  4. Step 4: Simplify right side
    878,362.29x = 397,566,281,339.07
  5. Step 5: Solve for x
    x = 397,566,281,339.07/878,362.29
  6. Step 6: Final answer
    x = 452,622.21

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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.