Home / 838,477.26-1,157,203.18-476,018.46

Finding the Fourth Proportional to 838,477.26, 1,157,203.18 and 476,018.46

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Solution

The fourth proportional to 838,477.26, 1,157,203.18 and 476,018.46 is: 656,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,477.26 : 1,157,203.18 = 476,018.46 : x
  2. Step 2: Convert to fraction form
    838,477.26/1,157,203.18 = 476,018.46/x
  3. Step 3: Cross multiply
    838,477.26x = 1,157,203.18 × 476,018.46
  4. Step 4: Simplify right side
    838,477.26x = 550,850,073,865.63
  5. Step 5: Solve for x
    x = 550,850,073,865.63/838,477.26
  6. Step 6: Final answer
    x = 656,964.83

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Double scale
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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.