Home / 901,629.12-1,243,966.50-519,603.96

Finding the Fourth Proportional to 901,629.12, 1,243,966.50 and 519,603.96

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Solution

The fourth proportional to 901,629.12, 1,243,966.50 and 519,603.96 is: 716,891.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,629.12 : 1,243,966.50 = 519,603.96 : x
  2. Step 2: Convert to fraction form
    901,629.12/1,243,966.50 = 519,603.96/x
  3. Step 3: Cross multiply
    901,629.12x = 1,243,966.50 × 519,603.96
  4. Step 4: Simplify right side
    901,629.12x = 646,369,919,507.34
  5. Step 5: Solve for x
    x = 646,369,919,507.34/901,629.12
  6. Step 6: Final answer
    x = 716,891.13

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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.