Home / 598,811.10-898,216.65-520,079.10

Finding the Fourth Proportional to 598,811.10, 898,216.65 and 520,079.10

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Solution

The fourth proportional to 598,811.10, 898,216.65 and 520,079.10 is: 780,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,811.10 : 898,216.65 = 520,079.10 : x
  2. Step 2: Convert to fraction form
    598,811.10/898,216.65 = 520,079.10/x
  3. Step 3: Cross multiply
    598,811.10x = 898,216.65 × 520,079.10
  4. Step 4: Simplify right side
    598,811.10x = 467,143,706,937.02
  5. Step 5: Solve for x
    x = 467,143,706,937.02/598,811.10
  6. Step 6: Final answer
    x = 780,118.65

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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.