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Finding the Fourth Proportional to 648,010.80, 970,849.80 and 554,698.80

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Solution

The fourth proportional to 648,010.80, 970,849.80 and 554,698.80 is: 831,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,010.80 : 970,849.80 = 554,698.80 : x
  2. Step 2: Convert to fraction form
    648,010.80/970,849.80 = 554,698.80/x
  3. Step 3: Cross multiply
    648,010.80x = 970,849.80 × 554,698.80
  4. Step 4: Simplify right side
    648,010.80x = 538,529,219,040.24
  5. Step 5: Solve for x
    x = 538,529,219,040.24/648,010.80
  6. Step 6: Final answer
    x = 831,049.76

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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.