Home / 348,977.70-523,466.55-313,548.30

Finding the Fourth Proportional to 348,977.70, 523,466.55 and 313,548.30

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Solution

The fourth proportional to 348,977.70, 523,466.55 and 313,548.30 is: 470,322.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,977.70 : 523,466.55 = 313,548.30 : x
  2. Step 2: Convert to fraction form
    348,977.70/523,466.55 = 313,548.30/x
  3. Step 3: Cross multiply
    348,977.70x = 523,466.55 × 313,548.30
  4. Step 4: Simplify right side
    348,977.70x = 164,132,046,859.37
  5. Step 5: Solve for x
    x = 164,132,046,859.37/348,977.70
  6. Step 6: Final answer
    x = 470,322.45

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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.