Home / 786,254.50-1,179,381.75-225,289

Finding the Fourth Proportional to 786,254.50, 1,179,381.75 and 225,289

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Solution

The fourth proportional to 786,254.50, 1,179,381.75 and 225,289 is: 337,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,254.50 : 1,179,381.75 = 225,289 : x
  2. Step 2: Convert to fraction form
    786,254.50/1,179,381.75 = 225,289/x
  3. Step 3: Cross multiply
    786,254.50x = 1,179,381.75 × 225,289
  4. Step 4: Simplify right side
    786,254.50x = 265,701,735,075.75
  5. Step 5: Solve for x
    x = 265,701,735,075.75/786,254.50
  6. Step 6: Final answer
    x = 337,933.50

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Double scale
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Similar ratio
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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.