Home / 725,779.50-1,088,866.14-220,356.91

Finding the Fourth Proportional to 725,779.50, 1,088,866.14 and 220,356.91

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Solution

The fourth proportional to 725,779.50, 1,088,866.14 and 220,356.91 is: 330,595.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,779.50 : 1,088,866.14 = 220,356.91 : x
  2. Step 2: Convert to fraction form
    725,779.50/1,088,866.14 = 220,356.91/x
  3. Step 3: Cross multiply
    725,779.50x = 1,088,866.14 × 220,356.91
  4. Step 4: Simplify right side
    725,779.50x = 239,939,178,014.03
  5. Step 5: Solve for x
    x = 239,939,178,014.03/725,779.50
  6. Step 6: Final answer
    x = 330,595.14

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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.