Home / 947,601.35-1,307,686.69-517,881.36

Finding the Fourth Proportional to 947,601.35, 1,307,686.69 and 517,881.36

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Solution

The fourth proportional to 947,601.35, 1,307,686.69 and 517,881.36 is: 714,674.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,601.35 : 1,307,686.69 = 517,881.36 : x
  2. Step 2: Convert to fraction form
    947,601.35/1,307,686.69 = 517,881.36/x
  3. Step 3: Cross multiply
    947,601.35x = 1,307,686.69 × 517,881.36
  4. Step 4: Simplify right side
    947,601.35x = 677,226,561,471.10
  5. Step 5: Solve for x
    x = 677,226,561,471.10/947,601.35
  6. Step 6: Final answer
    x = 714,674.54

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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.