Home / 723,999.40-1,086,349.70-297,850.15

Finding the Fourth Proportional to 723,999.40, 1,086,349.70 and 297,850.15

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Solution

The fourth proportional to 723,999.40, 1,086,349.70 and 297,850.15 is: 446,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,999.40 : 1,086,349.70 = 297,850.15 : x
  2. Step 2: Convert to fraction form
    723,999.40/1,086,349.70 = 297,850.15/x
  3. Step 3: Cross multiply
    723,999.40x = 1,086,349.70 × 297,850.15
  4. Step 4: Simplify right side
    723,999.40x = 323,569,421,097.46
  5. Step 5: Solve for x
    x = 323,569,421,097.46/723,999.40
  6. Step 6: Final answer
    x = 446,919.46

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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.