Home / 738,098.42-1,018,578.93-415,812.38

Finding the Fourth Proportional to 738,098.42, 1,018,578.93 and 415,812.38

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Solution

The fourth proportional to 738,098.42, 1,018,578.93 and 415,812.38 is: 573,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,098.42 : 1,018,578.93 = 415,812.38 : x
  2. Step 2: Convert to fraction form
    738,098.42/1,018,578.93 = 415,812.38/x
  3. Step 3: Cross multiply
    738,098.42x = 1,018,578.93 × 415,812.38
  4. Step 4: Simplify right side
    738,098.42x = 423,537,729,101.15
  5. Step 5: Solve for x
    x = 423,537,729,101.15/738,098.42
  6. Step 6: Final answer
    x = 573,822.84

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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.