Home / 760,757.29-1,139,324.48-440,233.65

Finding the Fourth Proportional to 760,757.29, 1,139,324.48 and 440,233.65

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Solution

The fourth proportional to 760,757.29, 1,139,324.48 and 440,233.65 is: 659,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,757.29 : 1,139,324.48 = 440,233.65 : x
  2. Step 2: Convert to fraction form
    760,757.29/1,139,324.48 = 440,233.65/x
  3. Step 3: Cross multiply
    760,757.29x = 1,139,324.48 × 440,233.65
  4. Step 4: Simplify right side
    760,757.29x = 501,568,971,484.25
  5. Step 5: Solve for x
    x = 501,568,971,484.25/760,757.29
  6. Step 6: Final answer
    x = 659,302.22

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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.