Home / 494,888.00-742,307.39-289,837.91

Finding the Fourth Proportional to 494,888.00, 742,307.39 and 289,837.91

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Solution

The fourth proportional to 494,888.00, 742,307.39 and 289,837.91 is: 434,742.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,888.00 : 742,307.39 = 289,837.91 : x
  2. Step 2: Convert to fraction form
    494,888.00/742,307.39 = 289,837.91/x
  3. Step 3: Cross multiply
    494,888.00x = 742,307.39 × 289,837.91
  4. Step 4: Simplify right side
    494,888.00x = 215,148,823,988.63
  5. Step 5: Solve for x
    x = 215,148,823,988.63/494,888.00
  6. Step 6: Final answer
    x = 434,742.46

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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.