Home / 714,025.07-1,070,512.71-340,310.51

Finding the Fourth Proportional to 714,025.07, 1,070,512.71 and 340,310.51

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Solution

The fourth proportional to 714,025.07, 1,070,512.71 and 340,310.51 is: 510,215.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,025.07 : 1,070,512.71 = 340,310.51 : x
  2. Step 2: Convert to fraction form
    714,025.07/1,070,512.71 = 340,310.51/x
  3. Step 3: Cross multiply
    714,025.07x = 1,070,512.71 × 340,310.51
  4. Step 4: Simplify right side
    714,025.07x = 364,306,720,949.02
  5. Step 5: Solve for x
    x = 364,306,720,949.02/714,025.07
  6. Step 6: Final answer
    x = 510,215.59

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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.