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Finding the Fourth Proportional to 607,703.56, 838,587.82 and 335,768.48

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Solution

The fourth proportional to 607,703.56, 838,587.82 and 335,768.48 is: 463,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,703.56 : 838,587.82 = 335,768.48 : x
  2. Step 2: Convert to fraction form
    607,703.56/838,587.82 = 335,768.48/x
  3. Step 3: Cross multiply
    607,703.56x = 838,587.82 × 335,768.48
  4. Step 4: Simplify right side
    607,703.56x = 281,571,357,667.91
  5. Step 5: Solve for x
    x = 281,571,357,667.91/607,703.56
  6. Step 6: Final answer
    x = 463,336.69

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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.