Home / 501,564.35-692,158.77-286,709.03

Finding the Fourth Proportional to 501,564.35, 692,158.77 and 286,709.03

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Solution

The fourth proportional to 501,564.35, 692,158.77 and 286,709.03 is: 395,658.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,564.35 : 692,158.77 = 286,709.03 : x
  2. Step 2: Convert to fraction form
    501,564.35/692,158.77 = 286,709.03/x
  3. Step 3: Cross multiply
    501,564.35x = 692,158.77 × 286,709.03
  4. Step 4: Simplify right side
    501,564.35x = 198,448,169,552.69
  5. Step 5: Solve for x
    x = 198,448,169,552.69/501,564.35
  6. Step 6: Final answer
    x = 395,658.44

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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.