Home / 724,806.63-1,087,208.93-304,082.51

Finding the Fourth Proportional to 724,806.63, 1,087,208.93 and 304,082.51

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Solution

The fourth proportional to 724,806.63, 1,087,208.93 and 304,082.51 is: 456,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,806.63 : 1,087,208.93 = 304,082.51 : x
  2. Step 2: Convert to fraction form
    724,806.63/1,087,208.93 = 304,082.51/x
  3. Step 3: Cross multiply
    724,806.63x = 1,087,208.93 × 304,082.51
  4. Step 4: Simplify right side
    724,806.63x = 330,601,215,652.98
  5. Step 5: Solve for x
    x = 330,601,215,652.98/724,806.63
  6. Step 6: Final answer
    x = 456,123.33

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Double scale
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Similar ratio
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1.5x scale

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.