Home / 763,600.27-1,145,649.55-364,189.15

Finding the Fourth Proportional to 763,600.27, 1,145,649.55 and 364,189.15

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Solution

The fourth proportional to 763,600.27, 1,145,649.55 and 364,189.15 is: 546,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,600.27 : 1,145,649.55 = 364,189.15 : x
  2. Step 2: Convert to fraction form
    763,600.27/1,145,649.55 = 364,189.15/x
  3. Step 3: Cross multiply
    763,600.27x = 1,145,649.55 × 364,189.15
  4. Step 4: Simplify right side
    763,600.27x = 417,233,130,084.14
  5. Step 5: Solve for x
    x = 417,233,130,084.14/763,600.27
  6. Step 6: Final answer
    x = 546,402.54

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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.