Home / 685,158.94-1,027,807.06-235,820.35

Finding the Fourth Proportional to 685,158.94, 1,027,807.06 and 235,820.35

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Solution

The fourth proportional to 685,158.94, 1,027,807.06 and 235,820.35 is: 353,754.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,158.94 : 1,027,807.06 = 235,820.35 : x
  2. Step 2: Convert to fraction form
    685,158.94/1,027,807.06 = 235,820.35/x
  3. Step 3: Cross multiply
    685,158.94x = 1,027,807.06 × 235,820.35
  4. Step 4: Simplify right side
    685,158.94x = 242,377,820,621.67
  5. Step 5: Solve for x
    x = 242,377,820,621.67/685,158.94
  6. Step 6: Final answer
    x = 353,754.15

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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.