Home / 720,612.05-1,080,550.67-240,667.07

Finding the Fourth Proportional to 720,612.05, 1,080,550.67 and 240,667.07

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Solution

The fourth proportional to 720,612.05, 1,080,550.67 and 240,667.07 is: 360,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,612.05 : 1,080,550.67 = 240,667.07 : x
  2. Step 2: Convert to fraction form
    720,612.05/1,080,550.67 = 240,667.07/x
  3. Step 3: Cross multiply
    720,612.05x = 1,080,550.67 × 240,667.07
  4. Step 4: Simplify right side
    720,612.05x = 260,052,957,129.35
  5. Step 5: Solve for x
    x = 260,052,957,129.35/720,612.05
  6. Step 6: Final answer
    x = 360,877.89

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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.