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Finding the Fourth Proportional to 406,099.00, 608,482.67 and 287,557.52

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Solution

The fourth proportional to 406,099.00, 608,482.67 and 287,557.52 is: 430,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,099.00 : 608,482.67 = 287,557.52 : x
  2. Step 2: Convert to fraction form
    406,099.00/608,482.67 = 287,557.52/x
  3. Step 3: Cross multiply
    406,099.00x = 608,482.67 × 287,557.52
  4. Step 4: Simplify right side
    406,099.00x = 174,973,767,548.18
  5. Step 5: Solve for x
    x = 174,973,767,548.18/406,099.00
  6. Step 6: Final answer
    x = 430,864.81

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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.