Home / 726,007.95-1,089,011.25-220,566.87

Finding the Fourth Proportional to 726,007.95, 1,089,011.25 and 220,566.87

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Solution

The fourth proportional to 726,007.95, 1,089,011.25 and 220,566.87 is: 330,850.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,007.95 : 1,089,011.25 = 220,566.87 : x
  2. Step 2: Convert to fraction form
    726,007.95/1,089,011.25 = 220,566.87/x
  3. Step 3: Cross multiply
    726,007.95x = 1,089,011.25 × 220,566.87
  4. Step 4: Simplify right side
    726,007.95x = 240,199,802,807.29
  5. Step 5: Solve for x
    x = 240,199,802,807.29/726,007.95
  6. Step 6: Final answer
    x = 330,850.10

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1.5x scale

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.