Home / 970,821.84-1,456,888.80-339,741.12

Finding the Fourth Proportional to 970,821.84, 1,456,888.80 and 339,741.12

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Solution

The fourth proportional to 970,821.84, 1,456,888.80 and 339,741.12 is: 509,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,821.84 : 1,456,888.80 = 339,741.12 : x
  2. Step 2: Convert to fraction form
    970,821.84/1,456,888.80 = 339,741.12/x
  3. Step 3: Cross multiply
    970,821.84x = 1,456,888.80 × 339,741.12
  4. Step 4: Simplify right side
    970,821.84x = 494,965,032,627.46
  5. Step 5: Solve for x
    x = 494,965,032,627.46/970,821.84
  6. Step 6: Final answer
    x = 509,841.26

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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.