Home / 834,731.55-1,151,929.58-472,147.61

Finding the Fourth Proportional to 834,731.55, 1,151,929.58 and 472,147.61

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Solution

The fourth proportional to 834,731.55, 1,151,929.58 and 472,147.61 is: 651,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,731.55 : 1,151,929.58 = 472,147.61 : x
  2. Step 2: Convert to fraction form
    834,731.55/1,151,929.58 = 472,147.61/x
  3. Step 3: Cross multiply
    834,731.55x = 1,151,929.58 × 472,147.61
  4. Step 4: Simplify right side
    834,731.55x = 543,880,789,964.92
  5. Step 5: Solve for x
    x = 543,880,789,964.92/834,731.55
  6. Step 6: Final answer
    x = 651,563.72

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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.