Home / 725,002.68-1,085,847.42-346,188.72

Finding the Fourth Proportional to 725,002.68, 1,085,847.42 and 346,188.72

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Solution

The fourth proportional to 725,002.68, 1,085,847.42 and 346,188.72 is: 518,492.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,002.68 : 1,085,847.42 = 346,188.72 : x
  2. Step 2: Convert to fraction form
    725,002.68/1,085,847.42 = 346,188.72/x
  3. Step 3: Cross multiply
    725,002.68x = 1,085,847.42 × 346,188.72
  4. Step 4: Simplify right side
    725,002.68x = 375,908,128,445.10
  5. Step 5: Solve for x
    x = 375,908,128,445.10/725,002.68
  6. Step 6: Final answer
    x = 518,492.05

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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.