Home / 875,264.49-1,208,268.53-512,638.29

Finding the Fourth Proportional to 875,264.49, 1,208,268.53 and 512,638.29

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Solution

The fourth proportional to 875,264.49, 1,208,268.53 and 512,638.29 is: 707,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,264.49 : 1,208,268.53 = 512,638.29 : x
  2. Step 2: Convert to fraction form
    875,264.49/1,208,268.53 = 512,638.29/x
  3. Step 3: Cross multiply
    875,264.49x = 1,208,268.53 × 512,638.29
  4. Step 4: Simplify right side
    875,264.49x = 619,404,713,080.01
  5. Step 5: Solve for x
    x = 619,404,713,080.01/875,264.49
  6. Step 6: Final answer
    x = 707,677.19

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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.