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Finding the Fourth Proportional to 594,547.92, 820,476.72 and 339,904.62

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Solution

The fourth proportional to 594,547.92, 820,476.72 and 339,904.62 is: 469,068.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,547.92 : 820,476.72 = 339,904.62 : x
  2. Step 2: Convert to fraction form
    594,547.92/820,476.72 = 339,904.62/x
  3. Step 3: Cross multiply
    594,547.92x = 820,476.72 × 339,904.62
  4. Step 4: Simplify right side
    594,547.92x = 278,883,827,730.45
  5. Step 5: Solve for x
    x = 278,883,827,730.45/594,547.92
  6. Step 6: Final answer
    x = 469,068.71

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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.