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Finding the Fourth Proportional to 395,391, 591,598.50 and 277,292.76

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Solution

The fourth proportional to 395,391, 591,598.50 and 277,292.76 is: 414,895.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,391 : 591,598.50 = 277,292.76 : x
  2. Step 2: Convert to fraction form
    395,391/591,598.50 = 277,292.76/x
  3. Step 3: Cross multiply
    395,391x = 591,598.50 × 277,292.76
  4. Step 4: Simplify right side
    395,391x = 164,045,980,876.86
  5. Step 5: Solve for x
    x = 164,045,980,876.86/395,391
  6. Step 6: Final answer
    x = 414,895.59

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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.