Home / 903,286.06-1,246,444.95-521,435.86

Finding the Fourth Proportional to 903,286.06, 1,246,444.95 and 521,435.86

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Solution

The fourth proportional to 903,286.06, 1,246,444.95 and 521,435.86 is: 719,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,286.06 : 1,246,444.95 = 521,435.86 : x
  2. Step 2: Convert to fraction form
    903,286.06/1,246,444.95 = 521,435.86/x
  3. Step 3: Cross multiply
    903,286.06x = 1,246,444.95 × 521,435.86
  4. Step 4: Simplify right side
    903,286.06x = 649,941,094,445.91
  5. Step 5: Solve for x
    x = 649,941,094,445.91/903,286.06
  6. Step 6: Final answer
    x = 719,529.64

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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.