Home / 720,847.06-1,081,587.10-342,041.64

Finding the Fourth Proportional to 720,847.06, 1,081,587.10 and 342,041.64

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Solution

The fourth proportional to 720,847.06, 1,081,587.10 and 342,041.64 is: 513,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,847.06 : 1,081,587.10 = 342,041.64 : x
  2. Step 2: Convert to fraction form
    720,847.06/1,081,587.10 = 342,041.64/x
  3. Step 3: Cross multiply
    720,847.06x = 1,081,587.10 × 342,041.64
  4. Step 4: Simplify right side
    720,847.06x = 369,947,825,486.84
  5. Step 5: Solve for x
    x = 369,947,825,486.84/720,847.06
  6. Step 6: Final answer
    x = 513,212.64

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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.