Home / 730,311.89-1,007,811.81-408,024.41

Finding the Fourth Proportional to 730,311.89, 1,007,811.81 and 408,024.41

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Solution

The fourth proportional to 730,311.89, 1,007,811.81 and 408,024.41 is: 563,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,311.89 : 1,007,811.81 = 408,024.41 : x
  2. Step 2: Convert to fraction form
    730,311.89/1,007,811.81 = 408,024.41/x
  3. Step 3: Cross multiply
    730,311.89x = 1,007,811.81 × 408,024.41
  4. Step 4: Simplify right side
    730,311.89x = 411,211,821,685.81
  5. Step 5: Solve for x
    x = 411,211,821,685.81/730,311.89
  6. Step 6: Final answer
    x = 563,063.30

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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.