Home / 948,451.09-1,308,846.03-518,721.79

Finding the Fourth Proportional to 948,451.09, 1,308,846.03 and 518,721.79

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Solution

The fourth proportional to 948,451.09, 1,308,846.03 and 518,721.79 is: 715,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,451.09 : 1,308,846.03 = 518,721.79 : x
  2. Step 2: Convert to fraction form
    948,451.09/1,308,846.03 = 518,721.79/x
  3. Step 3: Cross multiply
    948,451.09x = 1,308,846.03 × 518,721.79
  4. Step 4: Simplify right side
    948,451.09x = 678,926,955,515.99
  5. Step 5: Solve for x
    x = 678,926,955,515.99/948,451.09
  6. Step 6: Final answer
    x = 715,827.06

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Double scale
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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.