Home / 788,391.16-1,087,979.46-425,814.88

Finding the Fourth Proportional to 788,391.16, 1,087,979.46 and 425,814.88

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Solution

The fourth proportional to 788,391.16, 1,087,979.46 and 425,814.88 is: 587,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,391.16 : 1,087,979.46 = 425,814.88 : x
  2. Step 2: Convert to fraction form
    788,391.16/1,087,979.46 = 425,814.88/x
  3. Step 3: Cross multiply
    788,391.16x = 1,087,979.46 × 425,814.88
  4. Step 4: Simplify right side
    788,391.16x = 463,277,843,202.37
  5. Step 5: Solve for x
    x = 463,277,843,202.37/788,391.16
  6. Step 6: Final answer
    x = 587,624.35

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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.