Home / 895,808.25-1,236,215.40-493,400.25

Finding the Fourth Proportional to 895,808.25, 1,236,215.40 and 493,400.25

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Solution

The fourth proportional to 895,808.25, 1,236,215.40 and 493,400.25 is: 680,892.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,808.25 : 1,236,215.40 = 493,400.25 : x
  2. Step 2: Convert to fraction form
    895,808.25/1,236,215.40 = 493,400.25/x
  3. Step 3: Cross multiply
    895,808.25x = 1,236,215.40 × 493,400.25
  4. Step 4: Simplify right side
    895,808.25x = 609,948,987,413.85
  5. Step 5: Solve for x
    x = 609,948,987,413.85/895,808.25
  6. Step 6: Final answer
    x = 680,892.35

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Double scale
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Similar ratio
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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.