Home / 834,353.90-1,151,401.43-471,848.94

Finding the Fourth Proportional to 834,353.90, 1,151,401.43 and 471,848.94

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Solution

The fourth proportional to 834,353.90, 1,151,401.43 and 471,848.94 is: 651,147.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,353.90 : 1,151,401.43 = 471,848.94 : x
  2. Step 2: Convert to fraction form
    834,353.90/1,151,401.43 = 471,848.94/x
  3. Step 3: Cross multiply
    834,353.90x = 1,151,401.43 × 471,848.94
  4. Step 4: Simplify right side
    834,353.90x = 543,287,544,259.98
  5. Step 5: Solve for x
    x = 543,287,544,259.98/834,353.90
  6. Step 6: Final answer
    x = 651,147.61

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Double scale
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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.