Home / 882,726.79-1,218,126.12-500,825.56

Finding the Fourth Proportional to 882,726.79, 1,218,126.12 and 500,825.56

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Solution

The fourth proportional to 882,726.79, 1,218,126.12 and 500,825.56 is: 691,118.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,726.79 : 1,218,126.12 = 500,825.56 : x
  2. Step 2: Convert to fraction form
    882,726.79/1,218,126.12 = 500,825.56/x
  3. Step 3: Cross multiply
    882,726.79x = 1,218,126.12 × 500,825.56
  4. Step 4: Simplify right side
    882,726.79x = 610,068,696,199.63
  5. Step 5: Solve for x
    x = 610,068,696,199.63/882,726.79
  6. Step 6: Final answer
    x = 691,118.37

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1.5x scale

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.