Home / 727,499.24-1,089,385.61-607,257.20

Finding the Fourth Proportional to 727,499.24, 1,089,385.61 and 607,257.20

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Solution

The fourth proportional to 727,499.24, 1,089,385.61 and 607,257.20 is: 909,330.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,499.24 : 1,089,385.61 = 607,257.20 : x
  2. Step 2: Convert to fraction form
    727,499.24/1,089,385.61 = 607,257.20/x
  3. Step 3: Cross multiply
    727,499.24x = 1,089,385.61 × 607,257.20
  4. Step 4: Simplify right side
    727,499.24x = 661,537,254,936.07
  5. Step 5: Solve for x
    x = 661,537,254,936.07/727,499.24
  6. Step 6: Final answer
    x = 909,330.51

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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.