Home / 804,565.84-1,205,011.68-384,136.96

Finding the Fourth Proportional to 804,565.84, 1,205,011.68 and 384,136.96

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Solution

The fourth proportional to 804,565.84, 1,205,011.68 and 384,136.96 is: 575,328.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,565.84 : 1,205,011.68 = 384,136.96 : x
  2. Step 2: Convert to fraction form
    804,565.84/1,205,011.68 = 384,136.96/x
  3. Step 3: Cross multiply
    804,565.84x = 1,205,011.68 × 384,136.96
  4. Step 4: Simplify right side
    804,565.84x = 462,889,523,519.69
  5. Step 5: Solve for x
    x = 462,889,523,519.69/804,565.84
  6. Step 6: Final answer
    x = 575,328.33

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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.