Home / 947,620.86-1,307,801.07-539,633.58

Finding the Fourth Proportional to 947,620.86, 1,307,801.07 and 539,633.58

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Solution

The fourth proportional to 947,620.86, 1,307,801.07 and 539,633.58 is: 744,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,620.86 : 1,307,801.07 = 539,633.58 : x
  2. Step 2: Convert to fraction form
    947,620.86/1,307,801.07 = 539,633.58/x
  3. Step 3: Cross multiply
    947,620.86x = 1,307,801.07 × 539,633.58
  4. Step 4: Simplify right side
    947,620.86x = 705,733,373,331.93
  5. Step 5: Solve for x
    x = 705,733,373,331.93/947,620.86
  6. Step 6: Final answer
    x = 744,742.34

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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.