Home / 710,478.80-1,065,718.20-211,842.80

Finding the Fourth Proportional to 710,478.80, 1,065,718.20 and 211,842.80

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Solution

The fourth proportional to 710,478.80, 1,065,718.20 and 211,842.80 is: 317,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,478.80 : 1,065,718.20 = 211,842.80 : x
  2. Step 2: Convert to fraction form
    710,478.80/1,065,718.20 = 211,842.80/x
  3. Step 3: Cross multiply
    710,478.80x = 1,065,718.20 × 211,842.80
  4. Step 4: Simplify right side
    710,478.80x = 225,764,727,498.96
  5. Step 5: Solve for x
    x = 225,764,727,498.96/710,478.80
  6. Step 6: Final answer
    x = 317,764.20

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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.