Home / 947,479.30-1,307,654.78-603,205.26

Finding the Fourth Proportional to 947,479.30, 1,307,654.78 and 603,205.26

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Solution

The fourth proportional to 947,479.30, 1,307,654.78 and 603,205.26 is: 832,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,479.30 : 1,307,654.78 = 603,205.26 : x
  2. Step 2: Convert to fraction form
    947,479.30/1,307,654.78 = 603,205.26/x
  3. Step 3: Cross multiply
    947,479.30x = 1,307,654.78 × 603,205.26
  4. Step 4: Simplify right side
    947,479.30x = 788,784,241,560.14
  5. Step 5: Solve for x
    x = 788,784,241,560.14/947,479.30
  6. Step 6: Final answer
    x = 832,508.15

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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.