Home / 901,994.80-1,244,772.92-514,802.48

Finding the Fourth Proportional to 901,994.80, 1,244,772.92 and 514,802.48

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Solution

The fourth proportional to 901,994.80, 1,244,772.92 and 514,802.48 is: 710,438.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,994.80 : 1,244,772.92 = 514,802.48 : x
  2. Step 2: Convert to fraction form
    901,994.80/1,244,772.92 = 514,802.48/x
  3. Step 3: Cross multiply
    901,994.80x = 1,244,772.92 × 514,802.48
  4. Step 4: Simplify right side
    901,994.80x = 640,812,186,252.84
  5. Step 5: Solve for x
    x = 640,812,186,252.84/901,994.80
  6. Step 6: Final answer
    x = 710,438.89

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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.