Home / 873,975.90-1,206,201.70-492,077.10

Finding the Fourth Proportional to 873,975.90, 1,206,201.70 and 492,077.10

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Solution

The fourth proportional to 873,975.90, 1,206,201.70 and 492,077.10 is: 679,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,975.90 : 1,206,201.70 = 492,077.10 : x
  2. Step 2: Convert to fraction form
    873,975.90/1,206,201.70 = 492,077.10/x
  3. Step 3: Cross multiply
    873,975.90x = 1,206,201.70 × 492,077.10
  4. Step 4: Simplify right side
    873,975.90x = 593,544,234,551.07
  5. Step 5: Solve for x
    x = 593,544,234,551.07/873,975.90
  6. Step 6: Final answer
    x = 679,131.12

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1.5x scale

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.