Home / 348,749.70-523,124.55-313,320.30

Finding the Fourth Proportional to 348,749.70, 523,124.55 and 313,320.30

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Solution

The fourth proportional to 348,749.70, 523,124.55 and 313,320.30 is: 469,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,749.70 : 523,124.55 = 313,320.30 : x
  2. Step 2: Convert to fraction form
    348,749.70/523,124.55 = 313,320.30/x
  3. Step 3: Cross multiply
    348,749.70x = 523,124.55 × 313,320.30
  4. Step 4: Simplify right side
    348,749.70x = 163,905,540,943.37
  5. Step 5: Solve for x
    x = 163,905,540,943.37/348,749.70
  6. Step 6: Final answer
    x = 469,980.45

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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.