Home / 821,188.52-1,232,223.93-341,746.86

Finding the Fourth Proportional to 821,188.52, 1,232,223.93 and 341,746.86

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Solution

The fourth proportional to 821,188.52, 1,232,223.93 and 341,746.86 is: 512,803.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,188.52 : 1,232,223.93 = 341,746.86 : x
  2. Step 2: Convert to fraction form
    821,188.52/1,232,223.93 = 341,746.86/x
  3. Step 3: Cross multiply
    821,188.52x = 1,232,223.93 × 341,746.86
  4. Step 4: Simplify right side
    821,188.52x = 421,108,655,127.89
  5. Step 5: Solve for x
    x = 421,108,655,127.89/821,188.52
  6. Step 6: Final answer
    x = 512,803.88

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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.