Home / 776,270.72-1,071,166.92-436,731.68

Finding the Fourth Proportional to 776,270.72, 1,071,166.92 and 436,731.68

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Solution

The fourth proportional to 776,270.72, 1,071,166.92 and 436,731.68 is: 602,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,270.72 : 1,071,166.92 = 436,731.68 : x
  2. Step 2: Convert to fraction form
    776,270.72/1,071,166.92 = 436,731.68/x
  3. Step 3: Cross multiply
    776,270.72x = 1,071,166.92 × 436,731.68
  4. Step 4: Simplify right side
    776,270.72x = 467,812,528,532.03
  5. Step 5: Solve for x
    x = 467,812,528,532.03/776,270.72
  6. Step 6: Final answer
    x = 602,640.96

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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.