Home / 776,492.02-1,071,548.80-449,849.55

Finding the Fourth Proportional to 776,492.02, 1,071,548.80 and 449,849.55

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Solution

The fourth proportional to 776,492.02, 1,071,548.80 and 449,849.55 is: 620,786.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,492.02 : 1,071,548.80 = 449,849.55 : x
  2. Step 2: Convert to fraction form
    776,492.02/1,071,548.80 = 449,849.55/x
  3. Step 3: Cross multiply
    776,492.02x = 1,071,548.80 × 449,849.55
  4. Step 4: Simplify right side
    776,492.02x = 482,035,742,349.26
  5. Step 5: Solve for x
    x = 482,035,742,349.26/776,492.02
  6. Step 6: Final answer
    x = 620,786.47

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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.