Home / 997,841.85-1,497,828.42-429,504.45

Finding the Fourth Proportional to 997,841.85, 1,497,828.42 and 429,504.45

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Solution

The fourth proportional to 997,841.85, 1,497,828.42 and 429,504.45 is: 644,715.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,841.85 : 1,497,828.42 = 429,504.45 : x
  2. Step 2: Convert to fraction form
    997,841.85/1,497,828.42 = 429,504.45/x
  3. Step 3: Cross multiply
    997,841.85x = 1,497,828.42 × 429,504.45
  4. Step 4: Simplify right side
    997,841.85x = 643,323,971,726.47
  5. Step 5: Solve for x
    x = 643,323,971,726.47/997,841.85
  6. Step 6: Final answer
    x = 644,715.36

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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.