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Finding the Fourth Proportional to 438,363.48, 602,619.38 and 376,883.17

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Solution

The fourth proportional to 438,363.48, 602,619.38 and 376,883.17 is: 518,102.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,363.48 : 602,619.38 = 376,883.17 : x
  2. Step 2: Convert to fraction form
    438,363.48/602,619.38 = 376,883.17/x
  3. Step 3: Cross multiply
    438,363.48x = 602,619.38 × 376,883.17
  4. Step 4: Simplify right side
    438,363.48x = 227,117,102,237.84
  5. Step 5: Solve for x
    x = 227,117,102,237.84/438,363.48
  6. Step 6: Final answer
    x = 518,102.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.