Home / 970,749.84-1,456,780.74-339,669.12

Finding the Fourth Proportional to 970,749.84, 1,456,780.74 and 339,669.12

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Solution

The fourth proportional to 970,749.84, 1,456,780.74 and 339,669.12 is: 509,733.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,749.84 : 1,456,780.74 = 339,669.12 : x
  2. Step 2: Convert to fraction form
    970,749.84/1,456,780.74 = 339,669.12/x
  3. Step 3: Cross multiply
    970,749.84x = 1,456,780.74 × 339,669.12
  4. Step 4: Simplify right side
    970,749.84x = 494,823,431,988.75
  5. Step 5: Solve for x
    x = 494,823,431,988.75/970,749.84
  6. Step 6: Final answer
    x = 509,733.21

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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.