Home / 947,599.35-1,307,683.93-517,879.36

Finding the Fourth Proportional to 947,599.35, 1,307,683.93 and 517,879.36

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Solution

The fourth proportional to 947,599.35, 1,307,683.93 and 517,879.36 is: 714,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,599.35 : 1,307,683.93 = 517,879.36 : x
  2. Step 2: Convert to fraction form
    947,599.35/1,307,683.93 = 517,879.36/x
  3. Step 3: Cross multiply
    947,599.35x = 1,307,683.93 × 517,879.36
  4. Step 4: Simplify right side
    947,599.35x = 677,222,516,750.69
  5. Step 5: Solve for x
    x = 677,222,516,750.69/947,599.35
  6. Step 6: Final answer
    x = 714,671.78

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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.