Home / 942,838.62-1,301,092.26-513,109.50

Finding the Fourth Proportional to 942,838.62, 1,301,092.26 and 513,109.50

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Solution

The fourth proportional to 942,838.62, 1,301,092.26 and 513,109.50 is: 708,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,838.62 : 1,301,092.26 = 513,109.50 : x
  2. Step 2: Convert to fraction form
    942,838.62/1,301,092.26 = 513,109.50/x
  3. Step 3: Cross multiply
    942,838.62x = 1,301,092.26 × 513,109.50
  4. Step 4: Simplify right side
    942,838.62x = 667,602,798,982.47
  5. Step 5: Solve for x
    x = 667,602,798,982.47/942,838.62
  6. Step 6: Final answer
    x = 708,077.49

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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.