Home / 827,398.89-1,240,466.54-377,807.58

Finding the Fourth Proportional to 827,398.89, 1,240,466.54 and 377,807.58

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Solution

The fourth proportional to 827,398.89, 1,240,466.54 and 377,807.58 is: 566,422.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,398.89 : 1,240,466.54 = 377,807.58 : x
  2. Step 2: Convert to fraction form
    827,398.89/1,240,466.54 = 377,807.58/x
  3. Step 3: Cross multiply
    827,398.89x = 1,240,466.54 × 377,807.58
  4. Step 4: Simplify right side
    827,398.89x = 468,657,659,659.34
  5. Step 5: Solve for x
    x = 468,657,659,659.34/827,398.89
  6. Step 6: Final answer
    x = 566,422.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.