Home / 767,801.84-1,151,702.55-412,326.86

Finding the Fourth Proportional to 767,801.84, 1,151,702.55 and 412,326.86

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Solution

The fourth proportional to 767,801.84, 1,151,702.55 and 412,326.86 is: 618,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,801.84 : 1,151,702.55 = 412,326.86 : x
  2. Step 2: Convert to fraction form
    767,801.84/1,151,702.55 = 412,326.86/x
  3. Step 3: Cross multiply
    767,801.84x = 1,151,702.55 × 412,326.86
  4. Step 4: Simplify right side
    767,801.84x = 474,877,890,336.98
  5. Step 5: Solve for x
    x = 474,877,890,336.98/767,801.84
  6. Step 6: Final answer
    x = 618,490.17

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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.