Home / 430,790.22-594,674.28-306,691.20

Finding the Fourth Proportional to 430,790.22, 594,674.28 and 306,691.20

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Solution

The fourth proportional to 430,790.22, 594,674.28 and 306,691.20 is: 423,364.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,790.22 : 594,674.28 = 306,691.20 : x
  2. Step 2: Convert to fraction form
    430,790.22/594,674.28 = 306,691.20/x
  3. Step 3: Cross multiply
    430,790.22x = 594,674.28 × 306,691.20
  4. Step 4: Simplify right side
    430,790.22x = 182,381,368,542.34
  5. Step 5: Solve for x
    x = 182,381,368,542.34/430,790.22
  6. Step 6: Final answer
    x = 423,364.69

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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.