Home / 917,932.74-1,376,898.90-286,846.56

Finding the Fourth Proportional to 917,932.74, 1,376,898.90 and 286,846.56

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Solution

The fourth proportional to 917,932.74, 1,376,898.90 and 286,846.56 is: 430,269.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,932.74 : 1,376,898.90 = 286,846.56 : x
  2. Step 2: Convert to fraction form
    917,932.74/1,376,898.90 = 286,846.56/x
  3. Step 3: Cross multiply
    917,932.74x = 1,376,898.90 × 286,846.56
  4. Step 4: Simplify right side
    917,932.74x = 394,958,712,932.78
  5. Step 5: Solve for x
    x = 394,958,712,932.78/917,932.74
  6. Step 6: Final answer
    x = 430,269.77

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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.