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Finding the Fourth Proportional to 559,518.86, 839,526.42 and 293,216.10

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Solution

The fourth proportional to 559,518.86, 839,526.42 and 293,216.10 is: 439,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,518.86 : 839,526.42 = 293,216.10 : x
  2. Step 2: Convert to fraction form
    559,518.86/839,526.42 = 293,216.10/x
  3. Step 3: Cross multiply
    559,518.86x = 839,526.42 × 293,216.10
  4. Step 4: Simplify right side
    559,518.86x = 246,162,662,719.36
  5. Step 5: Solve for x
    x = 246,162,662,719.36/559,518.86
  6. Step 6: Final answer
    x = 439,954.18

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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.