Home / 727,490.60-1,089,372.66-607,248.58

Finding the Fourth Proportional to 727,490.60, 1,089,372.66 and 607,248.58

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Solution

The fourth proportional to 727,490.60, 1,089,372.66 and 607,248.58 is: 909,317.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,490.60 : 1,089,372.66 = 607,248.58 : x
  2. Step 2: Convert to fraction form
    727,490.60/1,089,372.66 = 607,248.58/x
  3. Step 3: Cross multiply
    727,490.60x = 1,089,372.66 × 607,248.58
  4. Step 4: Simplify right side
    727,490.60x = 661,520,000,875.82
  5. Step 5: Solve for x
    x = 661,520,000,875.82/727,490.60
  6. Step 6: Final answer
    x = 909,317.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.