Home / 525,983.60-787,007.10-348,836.60

Finding the Fourth Proportional to 525,983.60, 787,007.10 and 348,836.60

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Solution

The fourth proportional to 525,983.60, 787,007.10 and 348,836.60 is: 521,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,983.60 : 787,007.10 = 348,836.60 : x
  2. Step 2: Convert to fraction form
    525,983.60/787,007.10 = 348,836.60/x
  3. Step 3: Cross multiply
    525,983.60x = 787,007.10 × 348,836.60
  4. Step 4: Simplify right side
    525,983.60x = 274,536,880,939.86
  5. Step 5: Solve for x
    x = 274,536,880,939.86/525,983.60
  6. Step 6: Final answer
    x = 521,949.51

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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.