Home / 797,415.84-1,100,460.43-434,859.54

Finding the Fourth Proportional to 797,415.84, 1,100,460.43 and 434,859.54

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Solution

The fourth proportional to 797,415.84, 1,100,460.43 and 434,859.54 is: 600,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,415.84 : 1,100,460.43 = 434,859.54 : x
  2. Step 2: Convert to fraction form
    797,415.84/1,100,460.43 = 434,859.54/x
  3. Step 3: Cross multiply
    797,415.84x = 1,100,460.43 × 434,859.54
  4. Step 4: Simplify right side
    797,415.84x = 478,545,712,794.85
  5. Step 5: Solve for x
    x = 478,545,712,794.85/797,415.84
  6. Step 6: Final answer
    x = 600,120.65

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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.