Home / 756,455.13-1,134,686.34-223,986.24

Finding the Fourth Proportional to 756,455.13, 1,134,686.34 and 223,986.24

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Solution

The fourth proportional to 756,455.13, 1,134,686.34 and 223,986.24 is: 335,980.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,455.13 : 1,134,686.34 = 223,986.24 : x
  2. Step 2: Convert to fraction form
    756,455.13/1,134,686.34 = 223,986.24/x
  3. Step 3: Cross multiply
    756,455.13x = 1,134,686.34 × 223,986.24
  4. Step 4: Simplify right side
    756,455.13x = 254,154,126,875.96
  5. Step 5: Solve for x
    x = 254,154,126,875.96/756,455.13
  6. Step 6: Final answer
    x = 335,980.44

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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.