Home / 838,618.08-1,157,257.46-476,035.36

Finding the Fourth Proportional to 838,618.08, 1,157,257.46 and 476,035.36

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Solution

The fourth proportional to 838,618.08, 1,157,257.46 and 476,035.36 is: 656,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,618.08 : 1,157,257.46 = 476,035.36 : x
  2. Step 2: Convert to fraction form
    838,618.08/1,157,257.46 = 476,035.36/x
  3. Step 3: Cross multiply
    838,618.08x = 1,157,257.46 × 476,035.36
  4. Step 4: Simplify right side
    838,618.08x = 550,895,471,583.79
  5. Step 5: Solve for x
    x = 550,895,471,583.79/838,618.08
  6. Step 6: Final answer
    x = 656,908.65

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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.