Home / 897,208.82-1,345,947.88-289,794.28

Finding the Fourth Proportional to 897,208.82, 1,345,947.88 and 289,794.28

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Solution

The fourth proportional to 897,208.82, 1,345,947.88 and 289,794.28 is: 434,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,208.82 : 1,345,947.88 = 289,794.28 : x
  2. Step 2: Convert to fraction form
    897,208.82/1,345,947.88 = 289,794.28/x
  3. Step 3: Cross multiply
    897,208.82x = 1,345,947.88 × 289,794.28
  4. Step 4: Simplify right side
    897,208.82x = 390,047,996,802.13
  5. Step 5: Solve for x
    x = 390,047,996,802.13/897,208.82
  6. Step 6: Final answer
    x = 434,734.91

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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.