Home / 817,579.32-1,127,622.78-697,120.44

Finding the Fourth Proportional to 817,579.32, 1,127,622.78 and 697,120.44

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Solution

The fourth proportional to 817,579.32, 1,127,622.78 and 697,120.44 is: 961,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,579.32 : 1,127,622.78 = 697,120.44 : x
  2. Step 2: Convert to fraction form
    817,579.32/1,127,622.78 = 697,120.44/x
  3. Step 3: Cross multiply
    817,579.32x = 1,127,622.78 × 697,120.44
  4. Step 4: Simplify right side
    817,579.32x = 786,088,888,547.62
  5. Step 5: Solve for x
    x = 786,088,888,547.62/817,579.32
  6. Step 6: Final answer
    x = 961,483.33

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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.