Home / 870,417.44-1,200,868.12-568,786.40

Finding the Fourth Proportional to 870,417.44, 1,200,868.12 and 568,786.40

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Solution

The fourth proportional to 870,417.44, 1,200,868.12 and 568,786.40 is: 784,724.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,417.44 : 1,200,868.12 = 568,786.40 : x
  2. Step 2: Convert to fraction form
    870,417.44/1,200,868.12 = 568,786.40/x
  3. Step 3: Cross multiply
    870,417.44x = 1,200,868.12 × 568,786.40
  4. Step 4: Simplify right side
    870,417.44x = 683,037,454,849.57
  5. Step 5: Solve for x
    x = 683,037,454,849.57/870,417.44
  6. Step 6: Final answer
    x = 784,724.00

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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.