Home / 723,216.06-1,084,740.80-290,917.31

Finding the Fourth Proportional to 723,216.06, 1,084,740.80 and 290,917.31

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Solution

The fourth proportional to 723,216.06, 1,084,740.80 and 290,917.31 is: 436,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,216.06 : 1,084,740.80 = 290,917.31 : x
  2. Step 2: Convert to fraction form
    723,216.06/1,084,740.80 = 290,917.31/x
  3. Step 3: Cross multiply
    723,216.06x = 1,084,740.80 × 290,917.31
  4. Step 4: Simplify right side
    723,216.06x = 315,569,868,704.96
  5. Step 5: Solve for x
    x = 315,569,868,704.96/723,216.06
  6. Step 6: Final answer
    x = 436,342.45

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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.