Home / 648,880.74-972,988.83-345,447.27

Finding the Fourth Proportional to 648,880.74, 972,988.83 and 345,447.27

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Solution

The fourth proportional to 648,880.74, 972,988.83 and 345,447.27 is: 517,994.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,880.74 : 972,988.83 = 345,447.27 : x
  2. Step 2: Convert to fraction form
    648,880.74/972,988.83 = 345,447.27/x
  3. Step 3: Cross multiply
    648,880.74x = 972,988.83 × 345,447.27
  4. Step 4: Simplify right side
    648,880.74x = 336,116,335,063.99
  5. Step 5: Solve for x
    x = 336,116,335,063.99/648,880.74
  6. Step 6: Final answer
    x = 517,994.01

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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.