Home / 501,577.38-692,176.68-286,722.06

Finding the Fourth Proportional to 501,577.38, 692,176.68 and 286,722.06

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Solution

The fourth proportional to 501,577.38, 692,176.68 and 286,722.06 is: 395,676.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,577.38 : 692,176.68 = 286,722.06 : x
  2. Step 2: Convert to fraction form
    501,577.38/692,176.68 = 286,722.06/x
  3. Step 3: Cross multiply
    501,577.38x = 692,176.68 × 286,722.06
  4. Step 4: Simplify right side
    501,577.38x = 198,462,323,573.56
  5. Step 5: Solve for x
    x = 198,462,323,573.56/501,577.38
  6. Step 6: Final answer
    x = 395,676.38

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1.5x scale

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.