Home / 947,567.64-1,307,733.51-517,912.35

Finding the Fourth Proportional to 947,567.64, 1,307,733.51 and 517,912.35

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Solution

The fourth proportional to 947,567.64, 1,307,733.51 and 517,912.35 is: 714,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,567.64 : 1,307,733.51 = 517,912.35 : x
  2. Step 2: Convert to fraction form
    947,567.64/1,307,733.51 = 517,912.35/x
  3. Step 3: Cross multiply
    947,567.64x = 1,307,733.51 × 517,912.35
  4. Step 4: Simplify right side
    947,567.64x = 677,291,340,496.76
  5. Step 5: Solve for x
    x = 677,291,340,496.76/947,567.64
  6. Step 6: Final answer
    x = 714,768.33

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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.