Home / 812,063.60-1,120,390.13-472,466.24

Finding the Fourth Proportional to 812,063.60, 1,120,390.13 and 472,466.24

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Solution

The fourth proportional to 812,063.60, 1,120,390.13 and 472,466.24 is: 651,853.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,063.60 : 1,120,390.13 = 472,466.24 : x
  2. Step 2: Convert to fraction form
    812,063.60/1,120,390.13 = 472,466.24/x
  3. Step 3: Cross multiply
    812,063.60x = 1,120,390.13 × 472,466.24
  4. Step 4: Simplify right side
    812,063.60x = 529,346,504,089.93
  5. Step 5: Solve for x
    x = 529,346,504,089.93/812,063.60
  6. Step 6: Final answer
    x = 651,853.51

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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.