Home / 947,735.86-1,307,875.14-539,875.48

Finding the Fourth Proportional to 947,735.86, 1,307,875.14 and 539,875.48

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Solution

The fourth proportional to 947,735.86, 1,307,875.14 and 539,875.48 is: 745,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,735.86 : 1,307,875.14 = 539,875.48 : x
  2. Step 2: Convert to fraction form
    947,735.86/1,307,875.14 = 539,875.48/x
  3. Step 3: Cross multiply
    947,735.86x = 1,307,875.14 × 539,875.48
  4. Step 4: Simplify right side
    947,735.86x = 706,089,718,987.57
  5. Step 5: Solve for x
    x = 706,089,718,987.57/947,735.86
  6. Step 6: Final answer
    x = 745,027.96

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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.