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Finding the Fourth Proportional to 544,100.09, 750,840.13 and 299,085.67

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Solution

The fourth proportional to 544,100.09, 750,840.13 and 299,085.67 is: 412,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,100.09 : 750,840.13 = 299,085.67 : x
  2. Step 2: Convert to fraction form
    544,100.09/750,840.13 = 299,085.67/x
  3. Step 3: Cross multiply
    544,100.09x = 750,840.13 × 299,085.67
  4. Step 4: Simplify right side
    544,100.09x = 224,565,520,432.87
  5. Step 5: Solve for x
    x = 224,565,520,432.87/544,100.09
  6. Step 6: Final answer
    x = 412,728.33

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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.