Home / 669,923.92-1,005,033.54-370,840.72

Finding the Fourth Proportional to 669,923.92, 1,005,033.54 and 370,840.72

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Solution

The fourth proportional to 669,923.92, 1,005,033.54 and 370,840.72 is: 556,342.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,923.92 : 1,005,033.54 = 370,840.72 : x
  2. Step 2: Convert to fraction form
    669,923.92/1,005,033.54 = 370,840.72/x
  3. Step 3: Cross multiply
    669,923.92x = 1,005,033.54 × 370,840.72
  4. Step 4: Simplify right side
    669,923.92x = 372,707,361,597.75
  5. Step 5: Solve for x
    x = 372,707,361,597.75/669,923.92
  6. Step 6: Final answer
    x = 556,342.82

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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.