Home / 349,719.40-524,579.10-343,887.40

Finding the Fourth Proportional to 349,719.40, 524,579.10 and 343,887.40

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Solution

The fourth proportional to 349,719.40, 524,579.10 and 343,887.40 is: 515,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,719.40 : 524,579.10 = 343,887.40 : x
  2. Step 2: Convert to fraction form
    349,719.40/524,579.10 = 343,887.40/x
  3. Step 3: Cross multiply
    349,719.40x = 524,579.10 × 343,887.40
  4. Step 4: Simplify right side
    349,719.40x = 180,396,142,793.34
  5. Step 5: Solve for x
    x = 180,396,142,793.34/349,719.40
  6. Step 6: Final answer
    x = 515,831.10

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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.