Home / 942,683.40-1,300,905.90-512,963.64

Finding the Fourth Proportional to 942,683.40, 1,300,905.90 and 512,963.64

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Solution

The fourth proportional to 942,683.40, 1,300,905.90 and 512,963.64 is: 707,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,683.40 : 1,300,905.90 = 512,963.64 : x
  2. Step 2: Convert to fraction form
    942,683.40/1,300,905.90 = 512,963.64/x
  3. Step 3: Cross multiply
    942,683.40x = 1,300,905.90 × 512,963.64
  4. Step 4: Simplify right side
    942,683.40x = 667,317,425,761.48
  5. Step 5: Solve for x
    x = 667,317,425,761.48/942,683.40
  6. Step 6: Final answer
    x = 707,891.35

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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.