Home / 847,455.20-1,169,496.60-460,278.16

Finding the Fourth Proportional to 847,455.20, 1,169,496.60 and 460,278.16

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Solution

The fourth proportional to 847,455.20, 1,169,496.60 and 460,278.16 is: 635,188.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,455.20 : 1,169,496.60 = 460,278.16 : x
  2. Step 2: Convert to fraction form
    847,455.20/1,169,496.60 = 460,278.16/x
  3. Step 3: Cross multiply
    847,455.20x = 1,169,496.60 × 460,278.16
  4. Step 4: Simplify right side
    847,455.20x = 538,293,743,174.26
  5. Step 5: Solve for x
    x = 538,293,743,174.26/847,455.20
  6. Step 6: Final answer
    x = 635,188.44

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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.