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Finding the Fourth Proportional to 478,593.53, 660,450.56 and 260,804.10

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Solution

The fourth proportional to 478,593.53, 660,450.56 and 260,804.10 is: 359,905.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,593.53 : 660,450.56 = 260,804.10 : x
  2. Step 2: Convert to fraction form
    478,593.53/660,450.56 = 260,804.10/x
  3. Step 3: Cross multiply
    478,593.53x = 660,450.56 × 260,804.10
  4. Step 4: Simplify right side
    478,593.53x = 172,248,213,895.30
  5. Step 5: Solve for x
    x = 172,248,213,895.30/478,593.53
  6. Step 6: Final answer
    x = 359,905.02

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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.