Home / 873,131.16-1,309,697.10-392,797.92

Finding the Fourth Proportional to 873,131.16, 1,309,697.10 and 392,797.92

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Solution

The fourth proportional to 873,131.16, 1,309,697.10 and 392,797.92 is: 589,197.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,131.16 : 1,309,697.10 = 392,797.92 : x
  2. Step 2: Convert to fraction form
    873,131.16/1,309,697.10 = 392,797.92/x
  3. Step 3: Cross multiply
    873,131.16x = 1,309,697.10 × 392,797.92
  4. Step 4: Simplify right side
    873,131.16x = 514,446,301,621.40
  5. Step 5: Solve for x
    x = 514,446,301,621.40/873,131.16
  6. Step 6: Final answer
    x = 589,197.05

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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.