Home / 350,905.40-524,822.10-313,734.20

Finding the Fourth Proportional to 350,905.40, 524,822.10 and 313,734.20

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Solution

The fourth proportional to 350,905.40, 524,822.10 and 313,734.20 is: 469,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,905.40 : 524,822.10 = 313,734.20 : x
  2. Step 2: Convert to fraction form
    350,905.40/524,822.10 = 313,734.20/x
  3. Step 3: Cross multiply
    350,905.40x = 524,822.10 × 313,734.20
  4. Step 4: Simplify right side
    350,905.40x = 164,654,641,685.82
  5. Step 5: Solve for x
    x = 164,654,641,685.82/350,905.40
  6. Step 6: Final answer
    x = 469,228.01

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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.