Home / 684,271.56-944,278.04-378,340.17

Finding the Fourth Proportional to 684,271.56, 944,278.04 and 378,340.17

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Solution

The fourth proportional to 684,271.56, 944,278.04 and 378,340.17 is: 522,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,271.56 : 944,278.04 = 378,340.17 : x
  2. Step 2: Convert to fraction form
    684,271.56/944,278.04 = 378,340.17/x
  3. Step 3: Cross multiply
    684,271.56x = 944,278.04 × 378,340.17
  4. Step 4: Simplify right side
    684,271.56x = 357,258,312,289.17
  5. Step 5: Solve for x
    x = 357,258,312,289.17/684,271.56
  6. Step 6: Final answer
    x = 522,100.19

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Double scale
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Similar ratio
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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.