Home / 738,151.02-1,018,643.78-415,964.60

Finding the Fourth Proportional to 738,151.02, 1,018,643.78 and 415,964.60

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Solution

The fourth proportional to 738,151.02, 1,018,643.78 and 415,964.60 is: 574,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,151.02 : 1,018,643.78 = 415,964.60 : x
  2. Step 2: Convert to fraction form
    738,151.02/1,018,643.78 = 415,964.60/x
  3. Step 3: Cross multiply
    738,151.02x = 1,018,643.78 × 415,964.60
  4. Step 4: Simplify right side
    738,151.02x = 423,719,752,490.19
  5. Step 5: Solve for x
    x = 423,719,752,490.19/738,151.02
  6. Step 6: Final answer
    x = 574,028.54

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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.