Home / 525,110.90-786,629.55-314,122.10

Finding the Fourth Proportional to 525,110.90, 786,629.55 and 314,122.10

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Solution

The fourth proportional to 525,110.90, 786,629.55 and 314,122.10 is: 470,562.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,110.90 : 786,629.55 = 314,122.10 : x
  2. Step 2: Convert to fraction form
    525,110.90/786,629.55 = 314,122.10/x
  3. Step 3: Cross multiply
    525,110.90x = 786,629.55 × 314,122.10
  4. Step 4: Simplify right side
    525,110.90x = 247,097,726,168.06
  5. Step 5: Solve for x
    x = 247,097,726,168.06/525,110.90
  6. Step 6: Final answer
    x = 470,562.93

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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.