Home / 970,820.46-1,456,886.49-339,739.74

Finding the Fourth Proportional to 970,820.46, 1,456,886.49 and 339,739.74

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Solution

The fourth proportional to 970,820.46, 1,456,886.49 and 339,739.74 is: 509,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,820.46 : 1,456,886.49 = 339,739.74 : x
  2. Step 2: Convert to fraction form
    970,820.46/1,456,886.49 = 339,739.74/x
  3. Step 3: Cross multiply
    970,820.46x = 1,456,886.49 × 339,739.74
  4. Step 4: Simplify right side
    970,820.46x = 494,962,237,322.11
  5. Step 5: Solve for x
    x = 494,962,237,322.11/970,820.46
  6. Step 6: Final answer
    x = 509,839.11

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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.