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Finding the Fourth Proportional to 607,665.89, 838,587.74 and 335,740.05

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Solution

The fourth proportional to 607,665.89, 838,587.74 and 335,740.05 is: 463,326.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,665.89 : 838,587.74 = 335,740.05 : x
  2. Step 2: Convert to fraction form
    607,665.89/838,587.74 = 335,740.05/x
  3. Step 3: Cross multiply
    607,665.89x = 838,587.74 × 335,740.05
  4. Step 4: Simplify right side
    607,665.89x = 281,547,488,078.29
  5. Step 5: Solve for x
    x = 281,547,488,078.29/607,665.89
  6. Step 6: Final answer
    x = 463,326.13

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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.