Home / 970,831.31-1,339,692.57-535,234.21

Finding the Fourth Proportional to 970,831.31, 1,339,692.57 and 535,234.21

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Solution

The fourth proportional to 970,831.31, 1,339,692.57 and 535,234.21 is: 738,593.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,831.31 : 1,339,692.57 = 535,234.21 : x
  2. Step 2: Convert to fraction form
    970,831.31/1,339,692.57 = 535,234.21/x
  3. Step 3: Cross multiply
    970,831.31x = 1,339,692.57 × 535,234.21
  4. Step 4: Simplify right side
    970,831.31x = 717,049,290,997.59
  5. Step 5: Solve for x
    x = 717,049,290,997.59/970,831.31
  6. Step 6: Final answer
    x = 738,593.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.