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Finding the Fourth Proportional to 611,708.86, 844,224.78 and 370,124.74

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Solution

The fourth proportional to 611,708.86, 844,224.78 and 370,124.74 is: 510,812.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,708.86 : 844,224.78 = 370,124.74 : x
  2. Step 2: Convert to fraction form
    611,708.86/844,224.78 = 370,124.74/x
  3. Step 3: Cross multiply
    611,708.86x = 844,224.78 × 370,124.74
  4. Step 4: Simplify right side
    611,708.86x = 312,468,477,199.06
  5. Step 5: Solve for x
    x = 312,468,477,199.06/611,708.86
  6. Step 6: Final answer
    x = 510,812.41

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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.