Home / 666,292.12-919,483.27-375,965.30

Finding the Fourth Proportional to 666,292.12, 919,483.27 and 375,965.30

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Solution

The fourth proportional to 666,292.12, 919,483.27 and 375,965.30 is: 518,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,292.12 : 919,483.27 = 375,965.30 : x
  2. Step 2: Convert to fraction form
    666,292.12/919,483.27 = 375,965.30/x
  3. Step 3: Cross multiply
    666,292.12x = 919,483.27 × 375,965.30
  4. Step 4: Simplify right side
    666,292.12x = 345,693,802,510.62
  5. Step 5: Solve for x
    x = 345,693,802,510.62/666,292.12
  6. Step 6: Final answer
    x = 518,832.20

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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.