Home / 727,492.11-1,089,374.91-607,250.07

Finding the Fourth Proportional to 727,492.11, 1,089,374.91 and 607,250.07

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Solution

The fourth proportional to 727,492.11, 1,089,374.91 and 607,250.07 is: 909,319.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,492.11 : 1,089,374.91 = 607,250.07 : x
  2. Step 2: Convert to fraction form
    727,492.11/1,089,374.91 = 607,250.07/x
  3. Step 3: Cross multiply
    727,492.11x = 1,089,374.91 × 607,250.07
  4. Step 4: Simplify right side
    727,492.11x = 661,522,990,353.74
  5. Step 5: Solve for x
    x = 661,522,990,353.74/727,492.11
  6. Step 6: Final answer
    x = 909,319.81

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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.