Home / 749,550.27-1,034,479.58-422,930.49

Finding the Fourth Proportional to 749,550.27, 1,034,479.58 and 422,930.49

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Solution

The fourth proportional to 749,550.27, 1,034,479.58 and 422,930.49 is: 583,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,550.27 : 1,034,479.58 = 422,930.49 : x
  2. Step 2: Convert to fraction form
    749,550.27/1,034,479.58 = 422,930.49/x
  3. Step 3: Cross multiply
    749,550.27x = 1,034,479.58 × 422,930.49
  4. Step 4: Simplify right side
    749,550.27x = 437,512,953,549.74
  5. Step 5: Solve for x
    x = 437,512,953,549.74/749,550.27
  6. Step 6: Final answer
    x = 583,700.61

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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.