Home / 883,288.13-1,218,954.02-501,339.51

Finding the Fourth Proportional to 883,288.13, 1,218,954.02 and 501,339.51

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Solution

The fourth proportional to 883,288.13, 1,218,954.02 and 501,339.51 is: 691,857.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,288.13 : 1,218,954.02 = 501,339.51 : x
  2. Step 2: Convert to fraction form
    883,288.13/1,218,954.02 = 501,339.51/x
  3. Step 3: Cross multiply
    883,288.13x = 1,218,954.02 × 501,339.51
  4. Step 4: Simplify right side
    883,288.13x = 611,109,808,592.63
  5. Step 5: Solve for x
    x = 611,109,808,592.63/883,288.13
  6. Step 6: Final answer
    x = 691,857.83

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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.