Home / 726,510.18-1,089,860.49-240,030.70

Finding the Fourth Proportional to 726,510.18, 1,089,860.49 and 240,030.70

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Solution

The fourth proportional to 726,510.18, 1,089,860.49 and 240,030.70 is: 360,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,510.18 : 1,089,860.49 = 240,030.70 : x
  2. Step 2: Convert to fraction form
    726,510.18/1,089,860.49 = 240,030.70/x
  3. Step 3: Cross multiply
    726,510.18x = 1,089,860.49 × 240,030.70
  4. Step 4: Simplify right side
    726,510.18x = 261,599,976,317.04
  5. Step 5: Solve for x
    x = 261,599,976,317.04/726,510.18
  6. Step 6: Final answer
    x = 360,077.51

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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.