Home / 723,845.85-1,085,415.01-297,267.65

Finding the Fourth Proportional to 723,845.85, 1,085,415.01 and 297,267.65

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Solution

The fourth proportional to 723,845.85, 1,085,415.01 and 297,267.65 is: 445,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,845.85 : 1,085,415.01 = 297,267.65 : x
  2. Step 2: Convert to fraction form
    723,845.85/1,085,415.01 = 297,267.65/x
  3. Step 3: Cross multiply
    723,845.85x = 1,085,415.01 × 297,267.65
  4. Step 4: Simplify right side
    723,845.85x = 322,658,771,267.80
  5. Step 5: Solve for x
    x = 322,658,771,267.80/723,845.85
  6. Step 6: Final answer
    x = 445,756.19

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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.