Home / 628,988.94-942,695.82-495,341.37

Finding the Fourth Proportional to 628,988.94, 942,695.82 and 495,341.37

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Solution

The fourth proportional to 628,988.94, 942,695.82 and 495,341.37 is: 742,391.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,988.94 : 942,695.82 = 495,341.37 : x
  2. Step 2: Convert to fraction form
    628,988.94/942,695.82 = 495,341.37/x
  3. Step 3: Cross multiply
    628,988.94x = 942,695.82 × 495,341.37
  4. Step 4: Simplify right side
    628,988.94x = 466,956,238,972.07
  5. Step 5: Solve for x
    x = 466,956,238,972.07/628,988.94
  6. Step 6: Final answer
    x = 742,391.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.