Home / 938,143.31-1,294,637.58-508,423.46

Finding the Fourth Proportional to 938,143.31, 1,294,637.58 and 508,423.46

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Solution

The fourth proportional to 938,143.31, 1,294,637.58 and 508,423.46 is: 701,624.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,143.31 : 1,294,637.58 = 508,423.46 : x
  2. Step 2: Convert to fraction form
    938,143.31/1,294,637.58 = 508,423.46/x
  3. Step 3: Cross multiply
    938,143.31x = 1,294,637.58 × 508,423.46
  4. Step 4: Simplify right side
    938,143.31x = 658,224,111,396.44
  5. Step 5: Solve for x
    x = 658,224,111,396.44/938,143.31
  6. Step 6: Final answer
    x = 701,624.27

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1.5x scale

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.