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Finding the Fourth Proportional to 651,612.64, 899,224.86 and 361,242.76

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Solution

The fourth proportional to 651,612.64, 899,224.86 and 361,242.76 is: 498,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,612.64 : 899,224.86 = 361,242.76 : x
  2. Step 2: Convert to fraction form
    651,612.64/899,224.86 = 361,242.76/x
  3. Step 3: Cross multiply
    651,612.64x = 899,224.86 × 361,242.76
  4. Step 4: Simplify right side
    651,612.64x = 324,838,470,287.01
  5. Step 5: Solve for x
    x = 324,838,470,287.01/651,612.64
  6. Step 6: Final answer
    x = 498,514.69

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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.