Home / 948,044.57-1,308,301.53-518,324.72

Finding the Fourth Proportional to 948,044.57, 1,308,301.53 and 518,324.72

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Solution

The fourth proportional to 948,044.57, 1,308,301.53 and 518,324.72 is: 715,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,044.57 : 1,308,301.53 = 518,324.72 : x
  2. Step 2: Convert to fraction form
    948,044.57/1,308,301.53 = 518,324.72/x
  3. Step 3: Cross multiply
    948,044.57x = 1,308,301.53 × 518,324.72
  4. Step 4: Simplify right side
    948,044.57x = 678,125,024,212.82
  5. Step 5: Solve for x
    x = 678,125,024,212.82/948,044.57
  6. Step 6: Final answer
    x = 715,288.13

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Double scale
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Similar ratio
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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.