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Finding the Fourth Proportional to 504,334.80, 756,502.20 and 478,746.90

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Solution

The fourth proportional to 504,334.80, 756,502.20 and 478,746.90 is: 718,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,334.80 : 756,502.20 = 478,746.90 : x
  2. Step 2: Convert to fraction form
    504,334.80/756,502.20 = 478,746.90/x
  3. Step 3: Cross multiply
    504,334.80x = 756,502.20 × 478,746.90
  4. Step 4: Simplify right side
    504,334.80x = 362,173,083,093.18
  5. Step 5: Solve for x
    x = 362,173,083,093.18/504,334.80
  6. Step 6: Final answer
    x = 718,120.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.