Home / 755,063.70-1,132,595.55-305,999.70

Finding the Fourth Proportional to 755,063.70, 1,132,595.55 and 305,999.70

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Solution

The fourth proportional to 755,063.70, 1,132,595.55 and 305,999.70 is: 458,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,063.70 : 1,132,595.55 = 305,999.70 : x
  2. Step 2: Convert to fraction form
    755,063.70/1,132,595.55 = 305,999.70/x
  3. Step 3: Cross multiply
    755,063.70x = 1,132,595.55 × 305,999.70
  4. Step 4: Simplify right side
    755,063.70x = 346,573,898,521.34
  5. Step 5: Solve for x
    x = 346,573,898,521.34/755,063.70
  6. Step 6: Final answer
    x = 458,999.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.