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Finding the Fourth Proportional to 460,492.80, 635,499.68 and 256,543.61

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Solution

The fourth proportional to 460,492.80, 635,499.68 and 256,543.61 is: 354,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,492.80 : 635,499.68 = 256,543.61 : x
  2. Step 2: Convert to fraction form
    460,492.80/635,499.68 = 256,543.61/x
  3. Step 3: Cross multiply
    460,492.80x = 635,499.68 × 256,543.61
  4. Step 4: Simplify right side
    460,492.80x = 163,033,377,600.83
  5. Step 5: Solve for x
    x = 163,033,377,600.83/460,492.80
  6. Step 6: Final answer
    x = 354,041.10

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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.