Home / 558,783.78-771,138.32-344,047.74

Finding the Fourth Proportional to 558,783.78, 771,138.32 and 344,047.74

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Solution

The fourth proportional to 558,783.78, 771,138.32 and 344,047.74 is: 474,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,783.78 : 771,138.32 = 344,047.74 : x
  2. Step 2: Convert to fraction form
    558,783.78/771,138.32 = 344,047.74/x
  3. Step 3: Cross multiply
    558,783.78x = 771,138.32 × 344,047.74
  4. Step 4: Simplify right side
    558,783.78x = 265,308,394,503.16
  5. Step 5: Solve for x
    x = 265,308,394,503.16/558,783.78
  6. Step 6: Final answer
    x = 474,796.16

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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.