Home / 525,664.60-788,885.70-348,112.60

Finding the Fourth Proportional to 525,664.60, 788,885.70 and 348,112.60

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Solution

The fourth proportional to 525,664.60, 788,885.70 and 348,112.60 is: 522,426.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,664.60 : 788,885.70 = 348,112.60 : x
  2. Step 2: Convert to fraction form
    525,664.60/788,885.70 = 348,112.60/x
  3. Step 3: Cross multiply
    525,664.60x = 788,885.70 × 348,112.60
  4. Step 4: Simplify right side
    525,664.60x = 274,621,052,129.82
  5. Step 5: Solve for x
    x = 274,621,052,129.82/525,664.60
  6. Step 6: Final answer
    x = 522,426.38

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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.