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Finding the Fourth Proportional to 910,658.53, 1,366,053.81 and 349,693.03

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Solution

The fourth proportional to 910,658.53, 1,366,053.81 and 349,693.03 is: 524,564.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,658.53 : 1,366,053.81 = 349,693.03 : x
  2. Step 2: Convert to fraction form
    910,658.53/1,366,053.81 = 349,693.03/x
  3. Step 3: Cross multiply
    910,658.53x = 1,366,053.81 × 349,693.03
  4. Step 4: Simplify right side
    910,658.53x = 477,699,495,961.94
  5. Step 5: Solve for x
    x = 477,699,495,961.94/910,658.53
  6. Step 6: Final answer
    x = 524,564.89

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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.