Home / 497,270.72-686,215.32-270,911.36

Finding the Fourth Proportional to 497,270.72, 686,215.32 and 270,911.36

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Solution

The fourth proportional to 497,270.72, 686,215.32 and 270,911.36 is: 373,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,270.72 : 686,215.32 = 270,911.36 : x
  2. Step 2: Convert to fraction form
    497,270.72/686,215.32 = 270,911.36/x
  3. Step 3: Cross multiply
    497,270.72x = 686,215.32 × 270,911.36
  4. Step 4: Simplify right side
    497,270.72x = 185,903,525,594.04
  5. Step 5: Solve for x
    x = 185,903,525,594.04/497,270.72
  6. Step 6: Final answer
    x = 373,847.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.