Home / 840,141.39-1,159,464.48-477,679.35

Finding the Fourth Proportional to 840,141.39, 1,159,464.48 and 477,679.35

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Solution

The fourth proportional to 840,141.39, 1,159,464.48 and 477,679.35 is: 659,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,141.39 : 1,159,464.48 = 477,679.35 : x
  2. Step 2: Convert to fraction form
    840,141.39/1,159,464.48 = 477,679.35/x
  3. Step 3: Cross multiply
    840,141.39x = 1,159,464.48 × 477,679.35
  4. Step 4: Simplify right side
    840,141.39x = 553,852,239,154.49
  5. Step 5: Solve for x
    x = 553,852,239,154.49/840,141.39
  6. Step 6: Final answer
    x = 659,236.94

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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.