Home / 805,926.86-1,208,633.45-266,082.51

Finding the Fourth Proportional to 805,926.86, 1,208,633.45 and 266,082.51

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Solution

The fourth proportional to 805,926.86, 1,208,633.45 and 266,082.51 is: 399,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,926.86 : 1,208,633.45 = 266,082.51 : x
  2. Step 2: Convert to fraction form
    805,926.86/1,208,633.45 = 266,082.51/x
  3. Step 3: Cross multiply
    805,926.86x = 1,208,633.45 × 266,082.51
  4. Step 4: Simplify right side
    805,926.86x = 321,596,220,715.55
  5. Step 5: Solve for x
    x = 321,596,220,715.55/805,926.86
  6. Step 6: Final answer
    x = 399,038.97

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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.