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Finding the Fourth Proportional to 557,614.39, 769,511.06 and 302,967.67

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Solution

The fourth proportional to 557,614.39, 769,511.06 and 302,967.67 is: 418,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,614.39 : 769,511.06 = 302,967.67 : x
  2. Step 2: Convert to fraction form
    557,614.39/769,511.06 = 302,967.67/x
  3. Step 3: Cross multiply
    557,614.39x = 769,511.06 × 302,967.67
  4. Step 4: Simplify right side
    557,614.39x = 233,136,971,372.59
  5. Step 5: Solve for x
    x = 233,136,971,372.59/557,614.39
  6. Step 6: Final answer
    x = 418,097.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.