Home / 730,022.64-1,007,420.67-407,737.41

Finding the Fourth Proportional to 730,022.64, 1,007,420.67 and 407,737.41

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Solution

The fourth proportional to 730,022.64, 1,007,420.67 and 407,737.41 is: 562,671.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,022.64 : 1,007,420.67 = 407,737.41 : x
  2. Step 2: Convert to fraction form
    730,022.64/1,007,420.67 = 407,737.41/x
  3. Step 3: Cross multiply
    730,022.64x = 1,007,420.67 × 407,737.41
  4. Step 4: Simplify right side
    730,022.64x = 410,763,094,766.27
  5. Step 5: Solve for x
    x = 410,763,094,766.27/730,022.64
  6. Step 6: Final answer
    x = 562,671.72

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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.