Home / 679,737.20-1,019,605.80-364,809.20

Finding the Fourth Proportional to 679,737.20, 1,019,605.80 and 364,809.20

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Solution

The fourth proportional to 679,737.20, 1,019,605.80 and 364,809.20 is: 547,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,737.20 : 1,019,605.80 = 364,809.20 : x
  2. Step 2: Convert to fraction form
    679,737.20/1,019,605.80 = 364,809.20/x
  3. Step 3: Cross multiply
    679,737.20x = 1,019,605.80 × 364,809.20
  4. Step 4: Simplify right side
    679,737.20x = 371,961,576,213.36
  5. Step 5: Solve for x
    x = 371,961,576,213.36/679,737.20
  6. Step 6: Final answer
    x = 547,213.80

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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.