Home / 997,923.70-1,496,885.55-287,974.90

Finding the Fourth Proportional to 997,923.70, 1,496,885.55 and 287,974.90

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Solution

The fourth proportional to 997,923.70, 1,496,885.55 and 287,974.90 is: 431,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,923.70 : 1,496,885.55 = 287,974.90 : x
  2. Step 2: Convert to fraction form
    997,923.70/1,496,885.55 = 287,974.90/x
  3. Step 3: Cross multiply
    997,923.70x = 1,496,885.55 × 287,974.90
  4. Step 4: Simplify right side
    997,923.70x = 431,065,466,572.70
  5. Step 5: Solve for x
    x = 431,065,466,572.70/997,923.70
  6. Step 6: Final answer
    x = 431,962.35

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.