Home / 756,561.42-1,044,048.47-412,391.07

Finding the Fourth Proportional to 756,561.42, 1,044,048.47 and 412,391.07

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Solution

The fourth proportional to 756,561.42, 1,044,048.47 and 412,391.07 is: 569,096.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,561.42 : 1,044,048.47 = 412,391.07 : x
  2. Step 2: Convert to fraction form
    756,561.42/1,044,048.47 = 412,391.07/x
  3. Step 3: Cross multiply
    756,561.42x = 1,044,048.47 × 412,391.07
  4. Step 4: Simplify right side
    756,561.42x = 430,556,263,613.21
  5. Step 5: Solve for x
    x = 430,556,263,613.21/756,561.42
  6. Step 6: Final answer
    x = 569,096.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.