Home / 762,789.04-1,143,740.48-289,216.06

Finding the Fourth Proportional to 762,789.04, 1,143,740.48 and 289,216.06

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Solution

The fourth proportional to 762,789.04, 1,143,740.48 and 289,216.06 is: 433,656.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,789.04 : 1,143,740.48 = 289,216.06 : x
  2. Step 2: Convert to fraction form
    762,789.04/1,143,740.48 = 289,216.06/x
  3. Step 3: Cross multiply
    762,789.04x = 1,143,740.48 × 289,216.06
  4. Step 4: Simplify right side
    762,789.04x = 330,788,115,288.11
  5. Step 5: Solve for x
    x = 330,788,115,288.11/762,789.04
  6. Step 6: Final answer
    x = 433,656.09

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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.