Home / 903,744.82-1,355,153.91-477,509.86

Finding the Fourth Proportional to 903,744.82, 1,355,153.91 and 477,509.86

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Solution

The fourth proportional to 903,744.82, 1,355,153.91 and 477,509.86 is: 716,019.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,744.82 : 1,355,153.91 = 477,509.86 : x
  2. Step 2: Convert to fraction form
    903,744.82/1,355,153.91 = 477,509.86/x
  3. Step 3: Cross multiply
    903,744.82x = 1,355,153.91 × 477,509.86
  4. Step 4: Simplify right side
    903,744.82x = 647,099,353,842.55
  5. Step 5: Solve for x
    x = 647,099,353,842.55/903,744.82
  6. Step 6: Final answer
    x = 716,019.99

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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.