Home / 438,362.48-602,618.01-376,882.17

Finding the Fourth Proportional to 438,362.48, 602,618.01 and 376,882.17

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Solution

The fourth proportional to 438,362.48, 602,618.01 and 376,882.17 is: 518,100.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,362.48 : 602,618.01 = 376,882.17 : x
  2. Step 2: Convert to fraction form
    438,362.48/602,618.01 = 376,882.17/x
  3. Step 3: Cross multiply
    438,362.48x = 602,618.01 × 376,882.17
  4. Step 4: Simplify right side
    438,362.48x = 227,115,983,289.88
  5. Step 5: Solve for x
    x = 227,115,983,289.88/438,362.48
  6. Step 6: Final answer
    x = 518,100.88

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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.