Home / 502,123.64-692,936.08-275,769.12

Finding the Fourth Proportional to 502,123.64, 692,936.08 and 275,769.12

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Solution

The fourth proportional to 502,123.64, 692,936.08 and 275,769.12 is: 380,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,123.64 : 692,936.08 = 275,769.12 : x
  2. Step 2: Convert to fraction form
    502,123.64/692,936.08 = 275,769.12/x
  3. Step 3: Cross multiply
    502,123.64x = 692,936.08 × 275,769.12
  4. Step 4: Simplify right side
    502,123.64x = 191,090,372,997.85
  5. Step 5: Solve for x
    x = 191,090,372,997.85/502,123.64
  6. Step 6: Final answer
    x = 380,564.38

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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.