Home / 907,981.03-1,252,964.63-500,003.11

Finding the Fourth Proportional to 907,981.03, 1,252,964.63 and 500,003.11

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Solution

The fourth proportional to 907,981.03, 1,252,964.63 and 500,003.11 is: 689,977.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,981.03 : 1,252,964.63 = 500,003.11 : x
  2. Step 2: Convert to fraction form
    907,981.03/1,252,964.63 = 500,003.11/x
  3. Step 3: Cross multiply
    907,981.03x = 1,252,964.63 × 500,003.11
  4. Step 4: Simplify right side
    907,981.03x = 626,486,218,293.63
  5. Step 5: Solve for x
    x = 626,486,218,293.63/907,981.03
  6. Step 6: Final answer
    x = 689,977.21

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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.