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Finding the Fourth Proportional to 682,679, 942,095.07 and 376,753.16

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Solution

The fourth proportional to 682,679, 942,095.07 and 376,753.16 is: 519,918.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,679 : 942,095.07 = 376,753.16 : x
  2. Step 2: Convert to fraction form
    682,679/942,095.07 = 376,753.16/x
  3. Step 3: Cross multiply
    682,679x = 942,095.07 × 376,753.16
  4. Step 4: Simplify right side
    682,679x = 354,937,294,642.92
  5. Step 5: Solve for x
    x = 354,937,294,642.92/682,679
  6. Step 6: Final answer
    x = 519,918.28

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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.