Home / 797,470.84-1,100,595.12-487,555.28

Finding the Fourth Proportional to 797,470.84, 1,100,595.12 and 487,555.28

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Solution

The fourth proportional to 797,470.84, 1,100,595.12 and 487,555.28 is: 672,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,470.84 : 1,100,595.12 = 487,555.28 : x
  2. Step 2: Convert to fraction form
    797,470.84/1,100,595.12 = 487,555.28/x
  3. Step 3: Cross multiply
    797,470.84x = 1,100,595.12 × 487,555.28
  4. Step 4: Simplify right side
    797,470.84x = 536,600,958,694.16
  5. Step 5: Solve for x
    x = 536,600,958,694.16/797,470.84
  6. Step 6: Final answer
    x = 672,878.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.