Home / 991,047.42-1,367,741.10-555,538.50

Finding the Fourth Proportional to 991,047.42, 1,367,741.10 and 555,538.50

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Solution

The fourth proportional to 991,047.42, 1,367,741.10 and 555,538.50 is: 766,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,047.42 : 1,367,741.10 = 555,538.50 : x
  2. Step 2: Convert to fraction form
    991,047.42/1,367,741.10 = 555,538.50/x
  3. Step 3: Cross multiply
    991,047.42x = 1,367,741.10 × 555,538.50
  4. Step 4: Simplify right side
    991,047.42x = 759,832,839,082.35
  5. Step 5: Solve for x
    x = 759,832,839,082.35/991,047.42
  6. Step 6: Final answer
    x = 766,696.75

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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.