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Finding the Fourth Proportional to 559,980.70, 839,971.05 and 349,737.10

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Solution

The fourth proportional to 559,980.70, 839,971.05 and 349,737.10 is: 524,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,980.70 : 839,971.05 = 349,737.10 : x
  2. Step 2: Convert to fraction form
    559,980.70/839,971.05 = 349,737.10/x
  3. Step 3: Cross multiply
    559,980.70x = 839,971.05 × 349,737.10
  4. Step 4: Simplify right side
    559,980.70x = 293,769,039,110.96
  5. Step 5: Solve for x
    x = 293,769,039,110.96/559,980.70
  6. Step 6: Final answer
    x = 524,605.65

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Similar ratio
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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.