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Finding the Fourth Proportional to 590,103.40, 885,155.10 and 403,479.40

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Solution

The fourth proportional to 590,103.40, 885,155.10 and 403,479.40 is: 605,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,103.40 : 885,155.10 = 403,479.40 : x
  2. Step 2: Convert to fraction form
    590,103.40/885,155.10 = 403,479.40/x
  3. Step 3: Cross multiply
    590,103.40x = 885,155.10 × 403,479.40
  4. Step 4: Simplify right side
    590,103.40x = 357,141,848,654.94
  5. Step 5: Solve for x
    x = 357,141,848,654.94/590,103.40
  6. Step 6: Final answer
    x = 605,219.10

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