Home / 676,811.54-933,999.94-375,005.54

Finding the Fourth Proportional to 676,811.54, 933,999.94 and 375,005.54

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Solution

The fourth proportional to 676,811.54, 933,999.94 and 375,005.54 is: 517,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,811.54 : 933,999.94 = 375,005.54 : x
  2. Step 2: Convert to fraction form
    676,811.54/933,999.94 = 375,005.54/x
  3. Step 3: Cross multiply
    676,811.54x = 933,999.94 × 375,005.54
  4. Step 4: Simplify right side
    676,811.54x = 350,255,151,859.67
  5. Step 5: Solve for x
    x = 350,255,151,859.67/676,811.54
  6. Step 6: Final answer
    x = 517,507.65

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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.