Home / 525,742.84-725,525.10-296,308.52

Finding the Fourth Proportional to 525,742.84, 725,525.10 and 296,308.52

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Solution

The fourth proportional to 525,742.84, 725,525.10 and 296,308.52 is: 408,905.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,742.84 : 725,525.10 = 296,308.52 : x
  2. Step 2: Convert to fraction form
    525,742.84/725,525.10 = 296,308.52/x
  3. Step 3: Cross multiply
    525,742.84x = 725,525.10 × 296,308.52
  4. Step 4: Simplify right side
    525,742.84x = 214,979,264,976.23
  5. Step 5: Solve for x
    x = 214,979,264,976.23/525,742.84
  6. Step 6: Final answer
    x = 408,905.74

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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.