Home / 997,640.70-1,496,169.45-357,870.30

Finding the Fourth Proportional to 997,640.70, 1,496,169.45 and 357,870.30

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Solution

The fourth proportional to 997,640.70, 1,496,169.45 and 357,870.30 is: 536,700.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,640.70 : 1,496,169.45 = 357,870.30 : x
  2. Step 2: Convert to fraction form
    997,640.70/1,496,169.45 = 357,870.30/x
  3. Step 3: Cross multiply
    997,640.70x = 1,496,169.45 × 357,870.30
  4. Step 4: Simplify right side
    997,640.70x = 535,434,609,922.34
  5. Step 5: Solve for x
    x = 535,434,609,922.34/997,640.70
  6. Step 6: Final answer
    x = 536,700.85

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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.