Home / 873,723.24-1,205,735.36-491,749.92

Finding the Fourth Proportional to 873,723.24, 1,205,735.36 and 491,749.92

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Solution

The fourth proportional to 873,723.24, 1,205,735.36 and 491,749.92 is: 678,613.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,723.24 : 1,205,735.36 = 491,749.92 : x
  2. Step 2: Convert to fraction form
    873,723.24/1,205,735.36 = 491,749.92/x
  3. Step 3: Cross multiply
    873,723.24x = 1,205,735.36 × 491,749.92
  4. Step 4: Simplify right side
    873,723.24x = 592,920,264,362.42
  5. Step 5: Solve for x
    x = 592,920,264,362.42/873,723.24
  6. Step 6: Final answer
    x = 678,613.36

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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.