Home / 776,144.49-1,164,408.95-371,644.49

Finding the Fourth Proportional to 776,144.49, 1,164,408.95 and 371,644.49

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Solution

The fourth proportional to 776,144.49, 1,164,408.95 and 371,644.49 is: 557,558.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,144.49 : 1,164,408.95 = 371,644.49 : x
  2. Step 2: Convert to fraction form
    776,144.49/1,164,408.95 = 371,644.49/x
  3. Step 3: Cross multiply
    776,144.49x = 1,164,408.95 × 371,644.49
  4. Step 4: Simplify right side
    776,144.49x = 432,746,162,693.92
  5. Step 5: Solve for x
    x = 432,746,162,693.92/776,144.49
  6. Step 6: Final answer
    x = 557,558.76

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1.5x scale

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.