Home / 901,980.69-1,244,838.15-520,021.14

Finding the Fourth Proportional to 901,980.69, 1,244,838.15 and 520,021.14

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Solution

The fourth proportional to 901,980.69, 1,244,838.15 and 520,021.14 is: 717,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,980.69 : 1,244,838.15 = 520,021.14 : x
  2. Step 2: Convert to fraction form
    901,980.69/1,244,838.15 = 520,021.14/x
  3. Step 3: Cross multiply
    901,980.69x = 1,244,838.15 × 520,021.14
  4. Step 4: Simplify right side
    901,980.69x = 647,342,153,878.49
  5. Step 5: Solve for x
    x = 647,342,153,878.49/901,980.69
  6. Step 6: Final answer
    x = 717,689.59

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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.