Home / 497,317.32-686,297.90-270,962.82

Finding the Fourth Proportional to 497,317.32, 686,297.90 and 270,962.82

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Solution

The fourth proportional to 497,317.32, 686,297.90 and 270,962.82 is: 373,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,317.32 : 686,297.90 = 270,962.82 : x
  2. Step 2: Convert to fraction form
    497,317.32/686,297.90 = 270,962.82/x
  3. Step 3: Cross multiply
    497,317.32x = 686,297.90 × 270,962.82
  4. Step 4: Simplify right side
    497,317.32x = 185,961,212,989.26
  5. Step 5: Solve for x
    x = 185,961,212,989.26/497,317.32
  6. Step 6: Final answer
    x = 373,928.69

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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.