Home / 873,675.03-1,205,710.34-491,726.55

Finding the Fourth Proportional to 873,675.03, 1,205,710.34 and 491,726.55

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Solution

The fourth proportional to 873,675.03, 1,205,710.34 and 491,726.55 is: 678,604.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,675.03 : 1,205,710.34 = 491,726.55 : x
  2. Step 2: Convert to fraction form
    873,675.03/1,205,710.34 = 491,726.55/x
  3. Step 3: Cross multiply
    873,675.03x = 1,205,710.34 × 491,726.55
  4. Step 4: Simplify right side
    873,675.03x = 592,879,785,787.53
  5. Step 5: Solve for x
    x = 592,879,785,787.53/873,675.03
  6. Step 6: Final answer
    x = 678,604.48

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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.