Home / 873,329.12-1,205,129.28-491,282.24

Finding the Fourth Proportional to 873,329.12, 1,205,129.28 and 491,282.24

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Solution

The fourth proportional to 873,329.12, 1,205,129.28 and 491,282.24 is: 677,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,329.12 : 1,205,129.28 = 491,282.24 : x
  2. Step 2: Convert to fraction form
    873,329.12/1,205,129.28 = 491,282.24/x
  3. Step 3: Cross multiply
    873,329.12x = 1,205,129.28 × 491,282.24
  4. Step 4: Simplify right side
    873,329.12x = 592,058,612,167.99
  5. Step 5: Solve for x
    x = 592,058,612,167.99/873,329.12
  6. Step 6: Final answer
    x = 677,932.98

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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.