Home / 807,860.04-1,211,417.55-239,037.72

Finding the Fourth Proportional to 807,860.04, 1,211,417.55 and 239,037.72

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Solution

The fourth proportional to 807,860.04, 1,211,417.55 and 239,037.72 is: 358,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,860.04 : 1,211,417.55 = 239,037.72 : x
  2. Step 2: Convert to fraction form
    807,860.04/1,211,417.55 = 239,037.72/x
  3. Step 3: Cross multiply
    807,860.04x = 1,211,417.55 × 239,037.72
  4. Step 4: Simplify right side
    807,860.04x = 289,574,489,119.99
  5. Step 5: Solve for x
    x = 289,574,489,119.99/807,860.04
  6. Step 6: Final answer
    x = 358,446.36

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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.