Home / 711,235.20-1,065,362.40-332,479.20

Finding the Fourth Proportional to 711,235.20, 1,065,362.40 and 332,479.20

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Solution

The fourth proportional to 711,235.20, 1,065,362.40 and 332,479.20 is: 498,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,235.20 : 1,065,362.40 = 332,479.20 : x
  2. Step 2: Convert to fraction form
    711,235.20/1,065,362.40 = 332,479.20/x
  3. Step 3: Cross multiply
    711,235.20x = 1,065,362.40 × 332,479.20
  4. Step 4: Simplify right side
    711,235.20x = 354,210,838,462.08
  5. Step 5: Solve for x
    x = 354,210,838,462.08/711,235.20
  6. Step 6: Final answer
    x = 498,022.09

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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.