Home / 891,948.83-1,230,890.21-484,050.75

Finding the Fourth Proportional to 891,948.83, 1,230,890.21 and 484,050.75

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Solution

The fourth proportional to 891,948.83, 1,230,890.21 and 484,050.75 is: 667,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,948.83 : 1,230,890.21 = 484,050.75 : x
  2. Step 2: Convert to fraction form
    891,948.83/1,230,890.21 = 484,050.75/x
  3. Step 3: Cross multiply
    891,948.83x = 1,230,890.21 × 484,050.75
  4. Step 4: Simplify right side
    891,948.83x = 595,813,326,897.90
  5. Step 5: Solve for x
    x = 595,813,326,897.90/891,948.83
  6. Step 6: Final answer
    x = 667,990.48

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Double scale
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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.