Home / 623,048.90-859,832.79-351,128.25

Finding the Fourth Proportional to 623,048.90, 859,832.79 and 351,128.25

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Solution

The fourth proportional to 623,048.90, 859,832.79 and 351,128.25 is: 484,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,048.90 : 859,832.79 = 351,128.25 : x
  2. Step 2: Convert to fraction form
    623,048.90/859,832.79 = 351,128.25/x
  3. Step 3: Cross multiply
    623,048.90x = 859,832.79 × 351,128.25
  4. Step 4: Simplify right side
    623,048.90x = 301,911,582,845.32
  5. Step 5: Solve for x
    x = 301,911,582,845.32/623,048.90
  6. Step 6: Final answer
    x = 484,571.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.