Home / 793,973.40-1,191,305.70-399,989.40

Finding the Fourth Proportional to 793,973.40, 1,191,305.70 and 399,989.40

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Solution

The fourth proportional to 793,973.40, 1,191,305.70 and 399,989.40 is: 600,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,973.40 : 1,191,305.70 = 399,989.40 : x
  2. Step 2: Convert to fraction form
    793,973.40/1,191,305.70 = 399,989.40/x
  3. Step 3: Cross multiply
    793,973.40x = 1,191,305.70 × 399,989.40
  4. Step 4: Simplify right side
    793,973.40x = 476,509,652,159.58
  5. Step 5: Solve for x
    x = 476,509,652,159.58/793,973.40
  6. Step 6: Final answer
    x = 600,158.21

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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.