Home / 433,960.20-651,360.60-209,478.24

Finding the Fourth Proportional to 433,960.20, 651,360.60 and 209,478.24

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Solution

The fourth proportional to 433,960.20, 651,360.60 and 209,478.24 is: 314,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,960.20 : 651,360.60 = 209,478.24 : x
  2. Step 2: Convert to fraction form
    433,960.20/651,360.60 = 209,478.24/x
  3. Step 3: Cross multiply
    433,960.20x = 651,360.60 × 209,478.24
  4. Step 4: Simplify right side
    433,960.20x = 136,445,872,093.34
  5. Step 5: Solve for x
    x = 136,445,872,093.34/433,960.20
  6. Step 6: Final answer
    x = 314,420.24

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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.