Home / 498,788.98-688,082.19-294,741.22

Finding the Fourth Proportional to 498,788.98, 688,082.19 and 294,741.22

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Solution

The fourth proportional to 498,788.98, 688,082.19 and 294,741.22 is: 406,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,788.98 : 688,082.19 = 294,741.22 : x
  2. Step 2: Convert to fraction form
    498,788.98/688,082.19 = 294,741.22/x
  3. Step 3: Cross multiply
    498,788.98x = 688,082.19 × 294,741.22
  4. Step 4: Simplify right side
    498,788.98x = 202,806,184,140.87
  5. Step 5: Solve for x
    x = 202,806,184,140.87/498,788.98
  6. Step 6: Final answer
    x = 406,597.16

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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.