Home / 903,901.22-1,247,380.24-496,009.88

Finding the Fourth Proportional to 903,901.22, 1,247,380.24 and 496,009.88

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Solution

The fourth proportional to 903,901.22, 1,247,380.24 and 496,009.88 is: 684,491.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,901.22 : 1,247,380.24 = 496,009.88 : x
  2. Step 2: Convert to fraction form
    903,901.22/1,247,380.24 = 496,009.88/x
  3. Step 3: Cross multiply
    903,901.22x = 1,247,380.24 × 496,009.88
  4. Step 4: Simplify right side
    903,901.22x = 618,712,923,156.77
  5. Step 5: Solve for x
    x = 618,712,923,156.77/903,901.22
  6. Step 6: Final answer
    x = 684,491.74

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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.