Home / 849,714.90-1,274,572.38-317,277.54

Finding the Fourth Proportional to 849,714.90, 1,274,572.38 and 317,277.54

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Solution

The fourth proportional to 849,714.90, 1,274,572.38 and 317,277.54 is: 475,916.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,714.90 : 1,274,572.38 = 317,277.54 : x
  2. Step 2: Convert to fraction form
    849,714.90/1,274,572.38 = 317,277.54/x
  3. Step 3: Cross multiply
    849,714.90x = 1,274,572.38 × 317,277.54
  4. Step 4: Simplify right side
    849,714.90x = 404,393,189,278.35
  5. Step 5: Solve for x
    x = 404,393,189,278.35/849,714.90
  6. Step 6: Final answer
    x = 475,916.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.