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Finding the Fourth Proportional to 460,588.59, 635,602.68 and 256,638.69

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Solution

The fourth proportional to 460,588.59, 635,602.68 and 256,638.69 is: 354,156.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,588.59 : 635,602.68 = 256,638.69 : x
  2. Step 2: Convert to fraction form
    460,588.59/635,602.68 = 256,638.69/x
  3. Step 3: Cross multiply
    460,588.59x = 635,602.68 × 256,638.69
  4. Step 4: Simplify right side
    460,588.59x = 163,120,239,155.69
  5. Step 5: Solve for x
    x = 163,120,239,155.69/460,588.59
  6. Step 6: Final answer
    x = 354,156.06

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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.