Home / 852,851.40-1,279,274.58-347,293.32

Finding the Fourth Proportional to 852,851.40, 1,279,274.58 and 347,293.32

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Solution

The fourth proportional to 852,851.40, 1,279,274.58 and 347,293.32 is: 520,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,851.40 : 1,279,274.58 = 347,293.32 : x
  2. Step 2: Convert to fraction form
    852,851.40/1,279,274.58 = 347,293.32/x
  3. Step 3: Cross multiply
    852,851.40x = 1,279,274.58 × 347,293.32
  4. Step 4: Simplify right side
    852,851.40x = 444,283,516,079.81
  5. Step 5: Solve for x
    x = 444,283,516,079.81/852,851.40
  6. Step 6: Final answer
    x = 520,938.95

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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.