Home / 757,451.34-1,045,334.07-435,289.86

Finding the Fourth Proportional to 757,451.34, 1,045,334.07 and 435,289.86

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Solution

The fourth proportional to 757,451.34, 1,045,334.07 and 435,289.86 is: 600,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,451.34 : 1,045,334.07 = 435,289.86 : x
  2. Step 2: Convert to fraction form
    757,451.34/1,045,334.07 = 435,289.86/x
  3. Step 3: Cross multiply
    757,451.34x = 1,045,334.07 × 435,289.86
  4. Step 4: Simplify right side
    757,451.34x = 455,023,320,983.53
  5. Step 5: Solve for x
    x = 455,023,320,983.53/757,451.34
  6. Step 6: Final answer
    x = 600,729.44

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Double scale
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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.