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Finding the Fourth Proportional to 671,541.84, 926,728.56 and 369,735.84

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Solution

The fourth proportional to 671,541.84, 926,728.56 and 369,735.84 is: 510,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,541.84 : 926,728.56 = 369,735.84 : x
  2. Step 2: Convert to fraction form
    671,541.84/926,728.56 = 369,735.84/x
  3. Step 3: Cross multiply
    671,541.84x = 926,728.56 × 369,735.84
  4. Step 4: Simplify right side
    671,541.84x = 342,644,762,583.59
  5. Step 5: Solve for x
    x = 342,644,762,583.59/671,541.84
  6. Step 6: Final answer
    x = 510,235.91

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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.