Home / 501,579.07-692,179.13-286,723.93

Finding the Fourth Proportional to 501,579.07, 692,179.13 and 286,723.93

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Solution

The fourth proportional to 501,579.07, 692,179.13 and 286,723.93 is: 395,679.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,579.07 : 692,179.13 = 286,723.93 : x
  2. Step 2: Convert to fraction form
    501,579.07/692,179.13 = 286,723.93/x
  3. Step 3: Cross multiply
    501,579.07x = 692,179.13 × 286,723.93
  4. Step 4: Simplify right side
    501,579.07x = 198,464,320,417.58
  5. Step 5: Solve for x
    x = 198,464,320,417.58/501,579.07
  6. Step 6: Final answer
    x = 395,679.03

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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.