Home / 841,428.81-1,261,392.95-308,826.27

Finding the Fourth Proportional to 841,428.81, 1,261,392.95 and 308,826.27

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Solution

The fourth proportional to 841,428.81, 1,261,392.95 and 308,826.27 is: 462,964.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,428.81 : 1,261,392.95 = 308,826.27 : x
  2. Step 2: Convert to fraction form
    841,428.81/1,261,392.95 = 308,826.27/x
  3. Step 3: Cross multiply
    841,428.81x = 1,261,392.95 × 308,826.27
  4. Step 4: Simplify right side
    841,428.81x = 389,551,280,524.86
  5. Step 5: Solve for x
    x = 389,551,280,524.86/841,428.81
  6. Step 6: Final answer
    x = 462,964.04

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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.