Home / 727,111.51-1,089,043.08-526,972.45

Finding the Fourth Proportional to 727,111.51, 1,089,043.08 and 526,972.45

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Solution

The fourth proportional to 727,111.51, 1,089,043.08 and 526,972.45 is: 789,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,111.51 : 1,089,043.08 = 526,972.45 : x
  2. Step 2: Convert to fraction form
    727,111.51/1,089,043.08 = 526,972.45/x
  3. Step 3: Cross multiply
    727,111.51x = 1,089,043.08 × 526,972.45
  4. Step 4: Simplify right side
    727,111.51x = 573,895,700,023.15
  5. Step 5: Solve for x
    x = 573,895,700,023.15/727,111.51
  6. Step 6: Final answer
    x = 789,281.55

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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.