Home / 997,148.64-1,495,725.44-398,158.56

Finding the Fourth Proportional to 997,148.64, 1,495,725.44 and 398,158.56

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Solution

The fourth proportional to 997,148.64, 1,495,725.44 and 398,158.56 is: 597,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,148.64 : 1,495,725.44 = 398,158.56 : x
  2. Step 2: Convert to fraction form
    997,148.64/1,495,725.44 = 398,158.56/x
  3. Step 3: Cross multiply
    997,148.64x = 1,495,725.44 × 398,158.56
  4. Step 4: Simplify right side
    997,148.64x = 595,535,887,345.77
  5. Step 5: Solve for x
    x = 595,535,887,345.77/997,148.64
  6. Step 6: Final answer
    x = 597,238.83

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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.