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Finding the Fourth Proportional to 702,937.01, 970,051.37 and 380,647.13

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Solution

The fourth proportional to 702,937.01, 970,051.37 and 380,647.13 is: 525,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,937.01 : 970,051.37 = 380,647.13 : x
  2. Step 2: Convert to fraction form
    702,937.01/970,051.37 = 380,647.13/x
  3. Step 3: Cross multiply
    702,937.01x = 970,051.37 × 380,647.13
  4. Step 4: Simplify right side
    702,937.01x = 369,247,268,039.83
  5. Step 5: Solve for x
    x = 369,247,268,039.83/702,937.01
  6. Step 6: Final answer
    x = 525,292.11

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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.