Home / 684,261.32-944,242.34-378,319.88

Finding the Fourth Proportional to 684,261.32, 944,242.34 and 378,319.88

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Solution

The fourth proportional to 684,261.32, 944,242.34 and 378,319.88 is: 522,060.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,261.32 : 944,242.34 = 378,319.88 : x
  2. Step 2: Convert to fraction form
    684,261.32/944,242.34 = 378,319.88/x
  3. Step 3: Cross multiply
    684,261.32x = 944,242.34 × 378,319.88
  4. Step 4: Simplify right side
    684,261.32x = 357,225,648,759.72
  5. Step 5: Solve for x
    x = 357,225,648,759.72/684,261.32
  6. Step 6: Final answer
    x = 522,060.27

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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.