Home / 949,372.38-1,310,122.47-513,779.58

Finding the Fourth Proportional to 949,372.38, 1,310,122.47 and 513,779.58

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Solution

The fourth proportional to 949,372.38, 1,310,122.47 and 513,779.58 is: 709,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,372.38 : 1,310,122.47 = 513,779.58 : x
  2. Step 2: Convert to fraction form
    949,372.38/1,310,122.47 = 513,779.58/x
  3. Step 3: Cross multiply
    949,372.38x = 1,310,122.47 × 513,779.58
  4. Step 4: Simplify right side
    949,372.38x = 673,114,172,385.16
  5. Step 5: Solve for x
    x = 673,114,172,385.16/949,372.38
  6. Step 6: Final answer
    x = 709,009.64

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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.