Home / 838,219.55-1,156,710.83-475,621.79

Finding the Fourth Proportional to 838,219.55, 1,156,710.83 and 475,621.79

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Solution

The fourth proportional to 838,219.55, 1,156,710.83 and 475,621.79 is: 656,339.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,219.55 : 1,156,710.83 = 475,621.79 : x
  2. Step 2: Convert to fraction form
    838,219.55/1,156,710.83 = 475,621.79/x
  3. Step 3: Cross multiply
    838,219.55x = 1,156,710.83 × 475,621.79
  4. Step 4: Simplify right side
    838,219.55x = 550,156,869,693.43
  5. Step 5: Solve for x
    x = 550,156,869,693.43/838,219.55
  6. Step 6: Final answer
    x = 656,339.82

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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.