Home / 851,377.70-1,175,381.79-565,288.94

Finding the Fourth Proportional to 851,377.70, 1,175,381.79 and 565,288.94

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Solution

The fourth proportional to 851,377.70, 1,175,381.79 and 565,288.94 is: 780,417.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,377.70 : 1,175,381.79 = 565,288.94 : x
  2. Step 2: Convert to fraction form
    851,377.70/1,175,381.79 = 565,288.94/x
  3. Step 3: Cross multiply
    851,377.70x = 1,175,381.79 × 565,288.94
  4. Step 4: Simplify right side
    851,377.70x = 664,430,326,983.02
  5. Step 5: Solve for x
    x = 664,430,326,983.02/851,377.70
  6. Step 6: Final answer
    x = 780,417.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.