Home / 935,576.38-1,290,800.68-572,621.86

Finding the Fourth Proportional to 935,576.38, 1,290,800.68 and 572,621.86

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Solution

The fourth proportional to 935,576.38, 1,290,800.68 and 572,621.86 is: 790,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,576.38 : 1,290,800.68 = 572,621.86 : x
  2. Step 2: Convert to fraction form
    935,576.38/1,290,800.68 = 572,621.86/x
  3. Step 3: Cross multiply
    935,576.38x = 1,290,800.68 × 572,621.86
  4. Step 4: Simplify right side
    935,576.38x = 739,140,684,475.42
  5. Step 5: Solve for x
    x = 739,140,684,475.42/935,576.38
  6. Step 6: Final answer
    x = 790,037.78

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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.