Home / 940,694.02-1,298,160.21-510,970.66

Finding the Fourth Proportional to 940,694.02, 1,298,160.21 and 510,970.66

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Solution

The fourth proportional to 940,694.02, 1,298,160.21 and 510,970.66 is: 705,140.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,694.02 : 1,298,160.21 = 510,970.66 : x
  2. Step 2: Convert to fraction form
    940,694.02/1,298,160.21 = 510,970.66/x
  3. Step 3: Cross multiply
    940,694.02x = 1,298,160.21 × 510,970.66
  4. Step 4: Simplify right side
    940,694.02x = 663,321,779,289.44
  5. Step 5: Solve for x
    x = 663,321,779,289.44/940,694.02
  6. Step 6: Final answer
    x = 705,140.85

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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.