Home / 734,336.79-1,013,392.94-407,671.89

Finding the Fourth Proportional to 734,336.79, 1,013,392.94 and 407,671.89

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Solution

The fourth proportional to 734,336.79, 1,013,392.94 and 407,671.89 is: 562,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,336.79 : 1,013,392.94 = 407,671.89 : x
  2. Step 2: Convert to fraction form
    734,336.79/1,013,392.94 = 407,671.89/x
  3. Step 3: Cross multiply
    734,336.79x = 1,013,392.94 × 407,671.89
  4. Step 4: Simplify right side
    734,336.79x = 413,131,813,124.10
  5. Step 5: Solve for x
    x = 413,131,813,124.10/734,336.79
  6. Step 6: Final answer
    x = 562,591.74

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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.