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Finding the Fourth Proportional to 607,636.95, 838,547.78 and 335,711.12

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Solution

The fourth proportional to 607,636.95, 838,547.78 and 335,711.12 is: 463,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,636.95 : 838,547.78 = 335,711.12 : x
  2. Step 2: Convert to fraction form
    607,636.95/838,547.78 = 335,711.12/x
  3. Step 3: Cross multiply
    607,636.95x = 838,547.78 × 335,711.12
  4. Step 4: Simplify right side
    607,636.95x = 281,509,811,043.85
  5. Step 5: Solve for x
    x = 281,509,811,043.85/607,636.95
  6. Step 6: Final answer
    x = 463,286.20

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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.