Home / 720,030.52-1,079,684.18-240,088.42

Finding the Fourth Proportional to 720,030.52, 1,079,684.18 and 240,088.42

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Solution

The fourth proportional to 720,030.52, 1,079,684.18 and 240,088.42 is: 360,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,030.52 : 1,079,684.18 = 240,088.42 : x
  2. Step 2: Convert to fraction form
    720,030.52/1,079,684.18 = 240,088.42/x
  3. Step 3: Cross multiply
    720,030.52x = 1,079,684.18 × 240,088.42
  4. Step 4: Simplify right side
    720,030.52x = 259,219,664,975.54
  5. Step 5: Solve for x
    x = 259,219,664,975.54/720,030.52
  6. Step 6: Final answer
    x = 360,012.05

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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.