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Finding the Fourth Proportional to 438,363.98, 602,620.07 and 376,883.67

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Solution

The fourth proportional to 438,363.98, 602,620.07 and 376,883.67 is: 518,102.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,363.98 : 602,620.07 = 376,883.67 : x
  2. Step 2: Convert to fraction form
    438,363.98/602,620.07 = 376,883.67/x
  3. Step 3: Cross multiply
    438,363.98x = 602,620.07 × 376,883.67
  4. Step 4: Simplify right side
    438,363.98x = 227,117,661,712.84
  5. Step 5: Solve for x
    x = 227,117,661,712.84/438,363.98
  6. Step 6: Final answer
    x = 518,102.93

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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.