Home / 748,934.65-1,123,291.24-275,509.29

Finding the Fourth Proportional to 748,934.65, 1,123,291.24 and 275,509.29

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Solution

The fourth proportional to 748,934.65, 1,123,291.24 and 275,509.29 is: 413,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,934.65 : 1,123,291.24 = 275,509.29 : x
  2. Step 2: Convert to fraction form
    748,934.65/1,123,291.24 = 275,509.29/x
  3. Step 3: Cross multiply
    748,934.65x = 1,123,291.24 × 275,509.29
  4. Step 4: Simplify right side
    748,934.65x = 309,477,174,803.85
  5. Step 5: Solve for x
    x = 309,477,174,803.85/748,934.65
  6. Step 6: Final answer
    x = 413,223.20

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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.