Home / 759,500.40-1,139,104.80-227,038.80

Finding the Fourth Proportional to 759,500.40, 1,139,104.80 and 227,038.80

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Solution

The fourth proportional to 759,500.40, 1,139,104.80 and 227,038.80 is: 340,514.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,500.40 : 1,139,104.80 = 227,038.80 : x
  2. Step 2: Convert to fraction form
    759,500.40/1,139,104.80 = 227,038.80/x
  3. Step 3: Cross multiply
    759,500.40x = 1,139,104.80 × 227,038.80
  4. Step 4: Simplify right side
    759,500.40x = 258,620,986,866.24
  5. Step 5: Solve for x
    x = 258,620,986,866.24/759,500.40
  6. Step 6: Final answer
    x = 340,514.62

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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.