Home / 385,365.76-578,046.88-104,882.24

Finding the Fourth Proportional to 385,365.76, 578,046.88 and 104,882.24

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Solution

The fourth proportional to 385,365.76, 578,046.88 and 104,882.24 is: 157,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,365.76 : 578,046.88 = 104,882.24 : x
  2. Step 2: Convert to fraction form
    385,365.76/578,046.88 = 104,882.24/x
  3. Step 3: Cross multiply
    385,365.76x = 578,046.88 × 104,882.24
  4. Step 4: Simplify right side
    385,365.76x = 60,626,851,599.41
  5. Step 5: Solve for x
    x = 60,626,851,599.41/385,365.76
  6. Step 6: Final answer
    x = 157,322.88

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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.