Home / 997,706.40-1,497,679.07-399,084.90

Finding the Fourth Proportional to 997,706.40, 1,497,679.07 and 399,084.90

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Solution

The fourth proportional to 997,706.40, 1,497,679.07 and 399,084.90 is: 599,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,706.40 : 1,497,679.07 = 399,084.90 : x
  2. Step 2: Convert to fraction form
    997,706.40/1,497,679.07 = 399,084.90/x
  3. Step 3: Cross multiply
    997,706.40x = 1,497,679.07 × 399,084.90
  4. Step 4: Simplify right side
    997,706.40x = 597,701,099,887.62
  5. Step 5: Solve for x
    x = 597,701,099,887.62/997,706.40
  6. Step 6: Final answer
    x = 599,075.14

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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.