Home / 671,138.46-925,962.57-380,702.16

Finding the Fourth Proportional to 671,138.46, 925,962.57 and 380,702.16

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Solution

The fourth proportional to 671,138.46, 925,962.57 and 380,702.16 is: 525,250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,138.46 : 925,962.57 = 380,702.16 : x
  2. Step 2: Convert to fraction form
    671,138.46/925,962.57 = 380,702.16/x
  3. Step 3: Cross multiply
    671,138.46x = 925,962.57 × 380,702.16
  4. Step 4: Simplify right side
    671,138.46x = 352,515,950,478.15
  5. Step 5: Solve for x
    x = 352,515,950,478.15/671,138.46
  6. Step 6: Final answer
    x = 525,250.71

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1.5x scale

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.