Home / 947,658.33-1,307,798.60-517,929.03

Finding the Fourth Proportional to 947,658.33, 1,307,798.60 and 517,929.03

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Solution

The fourth proportional to 947,658.33, 1,307,798.60 and 517,929.03 is: 714,758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,658.33 : 1,307,798.60 = 517,929.03 : x
  2. Step 2: Convert to fraction form
    947,658.33/1,307,798.60 = 517,929.03/x
  3. Step 3: Cross multiply
    947,658.33x = 1,307,798.60 × 517,929.03
  4. Step 4: Simplify right side
    947,658.33x = 677,346,857,743.71
  5. Step 5: Solve for x
    x = 677,346,857,743.71/947,658.33
  6. Step 6: Final answer
    x = 714,758.51

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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.