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Finding the Fourth Proportional to 460,440.07, 635,426.44 and 256,490.93

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Solution

The fourth proportional to 460,440.07, 635,426.44 and 256,490.93 is: 353,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,440.07 : 635,426.44 = 256,490.93 : x
  2. Step 2: Convert to fraction form
    460,440.07/635,426.44 = 256,490.93/x
  3. Step 3: Cross multiply
    460,440.07x = 635,426.44 × 256,490.93
  4. Step 4: Simplify right side
    460,440.07x = 162,981,119,489.53
  5. Step 5: Solve for x
    x = 162,981,119,489.53/460,440.07
  6. Step 6: Final answer
    x = 353,968.15

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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.