Home / 997,667.40-1,496,063.70-398,429.40

Finding the Fourth Proportional to 997,667.40, 1,496,063.70 and 398,429.40

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Solution

The fourth proportional to 997,667.40, 1,496,063.70 and 398,429.40 is: 597,469.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,667.40 : 1,496,063.70 = 398,429.40 : x
  2. Step 2: Convert to fraction form
    997,667.40/1,496,063.70 = 398,429.40/x
  3. Step 3: Cross multiply
    997,667.40x = 1,496,063.70 × 398,429.40
  4. Step 4: Simplify right side
    997,667.40x = 596,075,762,352.78
  5. Step 5: Solve for x
    x = 596,075,762,352.78/997,667.40
  6. Step 6: Final answer
    x = 597,469.42

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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.