Home / 948,564.36-1,309,000.50-518,843.16

Finding the Fourth Proportional to 948,564.36, 1,309,000.50 and 518,843.16

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Solution

The fourth proportional to 948,564.36, 1,309,000.50 and 518,843.16 is: 715,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,564.36 : 1,309,000.50 = 518,843.16 : x
  2. Step 2: Convert to fraction form
    948,564.36/1,309,000.50 = 518,843.16/x
  3. Step 3: Cross multiply
    948,564.36x = 1,309,000.50 × 518,843.16
  4. Step 4: Simplify right side
    948,564.36x = 679,165,955,861.58
  5. Step 5: Solve for x
    x = 679,165,955,861.58/948,564.36
  6. Step 6: Final answer
    x = 715,993.54

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1.5x scale

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.