Home / 873,302.31-1,205,059.68-491,320.89

Finding the Fourth Proportional to 873,302.31, 1,205,059.68 and 491,320.89

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Solution

The fourth proportional to 873,302.31, 1,205,059.68 and 491,320.89 is: 677,967.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,302.31 : 1,205,059.68 = 491,320.89 : x
  2. Step 2: Convert to fraction form
    873,302.31/1,205,059.68 = 491,320.89/x
  3. Step 3: Cross multiply
    873,302.31x = 1,205,059.68 × 491,320.89
  4. Step 4: Simplify right side
    873,302.31x = 592,070,994,480.72
  5. Step 5: Solve for x
    x = 592,070,994,480.72/873,302.31
  6. Step 6: Final answer
    x = 677,967.97

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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.