Home / 763,323.70-1,144,985.55-264,738.10

Finding the Fourth Proportional to 763,323.70, 1,144,985.55 and 264,738.10

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Solution

The fourth proportional to 763,323.70, 1,144,985.55 and 264,738.10 is: 397,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,323.70 : 1,144,985.55 = 264,738.10 : x
  2. Step 2: Convert to fraction form
    763,323.70/1,144,985.55 = 264,738.10/x
  3. Step 3: Cross multiply
    763,323.70x = 1,144,985.55 × 264,738.10
  4. Step 4: Simplify right side
    763,323.70x = 303,121,299,034.46
  5. Step 5: Solve for x
    x = 303,121,299,034.46/763,323.70
  6. Step 6: Final answer
    x = 397,107.15

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Double scale
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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.