Home / 734,685.60-1,013,968.48-408,072

Finding the Fourth Proportional to 734,685.60, 1,013,968.48 and 408,072

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Solution

The fourth proportional to 734,685.60, 1,013,968.48 and 408,072 is: 563,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,685.60 : 1,013,968.48 = 408,072 : x
  2. Step 2: Convert to fraction form
    734,685.60/1,013,968.48 = 408,072/x
  3. Step 3: Cross multiply
    734,685.60x = 1,013,968.48 × 408,072
  4. Step 4: Simplify right side
    734,685.60x = 413,772,145,570.56
  5. Step 5: Solve for x
    x = 413,772,145,570.56/734,685.60
  6. Step 6: Final answer
    x = 563,196.21

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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.