Home / 427,110.58-589,561.02-245,894.72

Finding the Fourth Proportional to 427,110.58, 589,561.02 and 245,894.72

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Solution

The fourth proportional to 427,110.58, 589,561.02 and 245,894.72 is: 339,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,110.58 : 589,561.02 = 245,894.72 : x
  2. Step 2: Convert to fraction form
    427,110.58/589,561.02 = 245,894.72/x
  3. Step 3: Cross multiply
    427,110.58x = 589,561.02 × 245,894.72
  4. Step 4: Simplify right side
    427,110.58x = 144,969,941,935.81
  5. Step 5: Solve for x
    x = 144,969,941,935.81/427,110.58
  6. Step 6: Final answer
    x = 339,420.16

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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.