Home / 940,702.27-1,298,171.60-510,978.91

Finding the Fourth Proportional to 940,702.27, 1,298,171.60 and 510,978.91

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Solution

The fourth proportional to 940,702.27, 1,298,171.60 and 510,978.91 is: 705,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,702.27 : 1,298,171.60 = 510,978.91 : x
  2. Step 2: Convert to fraction form
    940,702.27/1,298,171.60 = 510,978.91/x
  3. Step 3: Cross multiply
    940,702.27x = 1,298,171.60 × 510,978.91
  4. Step 4: Simplify right side
    940,702.27x = 663,338,309,160.96
  5. Step 5: Solve for x
    x = 663,338,309,160.96/940,702.27
  6. Step 6: Final answer
    x = 705,152.24

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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.