Home / 751,428.78-1,124,482.48-467,253.16

Finding the Fourth Proportional to 751,428.78, 1,124,482.48 and 467,253.16

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Solution

The fourth proportional to 751,428.78, 1,124,482.48 and 467,253.16 is: 699,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,428.78 : 1,124,482.48 = 467,253.16 : x
  2. Step 2: Convert to fraction form
    751,428.78/1,124,482.48 = 467,253.16/x
  3. Step 3: Cross multiply
    751,428.78x = 1,124,482.48 × 467,253.16
  4. Step 4: Simplify right side
    751,428.78x = 525,417,992,144.64
  5. Step 5: Solve for x
    x = 525,417,992,144.64/751,428.78
  6. Step 6: Final answer
    x = 699,225.27

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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.