Home / 947,287.79-1,307,241.87-517,558.69

Finding the Fourth Proportional to 947,287.79, 1,307,241.87 and 517,558.69

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Solution

The fourth proportional to 947,287.79, 1,307,241.87 and 517,558.69 is: 714,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,287.79 : 1,307,241.87 = 517,558.69 : x
  2. Step 2: Convert to fraction form
    947,287.79/1,307,241.87 = 517,558.69/x
  3. Step 3: Cross multiply
    947,287.79x = 1,307,241.87 × 517,558.69
  4. Step 4: Simplify right side
    947,287.79x = 676,574,383,214.14
  5. Step 5: Solve for x
    x = 676,574,383,214.14/947,287.79
  6. Step 6: Final answer
    x = 714,222.64

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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.