Home / 830,561.21-1,245,996.99-571,989.25

Finding the Fourth Proportional to 830,561.21, 1,245,996.99 and 571,989.25

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Solution

The fourth proportional to 830,561.21, 1,245,996.99 and 571,989.25 is: 858,090.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,561.21 : 1,245,996.99 = 571,989.25 : x
  2. Step 2: Convert to fraction form
    830,561.21/1,245,996.99 = 571,989.25/x
  3. Step 3: Cross multiply
    830,561.21x = 1,245,996.99 × 571,989.25
  4. Step 4: Simplify right side
    830,561.21x = 712,696,880,697.37
  5. Step 5: Solve for x
    x = 712,696,880,697.37/830,561.21
  6. Step 6: Final answer
    x = 858,090.74

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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.