Home / 834,364.20-1,151,415.90-471,788.04

Finding the Fourth Proportional to 834,364.20, 1,151,415.90 and 471,788.04

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Solution

The fourth proportional to 834,364.20, 1,151,415.90 and 471,788.04 is: 651,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,364.20 : 1,151,415.90 = 471,788.04 : x
  2. Step 2: Convert to fraction form
    834,364.20/1,151,415.90 = 471,788.04/x
  3. Step 3: Cross multiply
    834,364.20x = 1,151,415.90 × 471,788.04
  4. Step 4: Simplify right side
    834,364.20x = 543,224,250,685.84
  5. Step 5: Solve for x
    x = 543,224,250,685.84/834,364.20
  6. Step 6: Final answer
    x = 651,063.71

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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.