Home / 758,548.31-1,046,828.61-436,258.78

Finding the Fourth Proportional to 758,548.31, 1,046,828.61 and 436,258.78

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Solution

The fourth proportional to 758,548.31, 1,046,828.61 and 436,258.78 is: 602,055.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,548.31 : 1,046,828.61 = 436,258.78 : x
  2. Step 2: Convert to fraction form
    758,548.31/1,046,828.61 = 436,258.78/x
  3. Step 3: Cross multiply
    758,548.31x = 1,046,828.61 × 436,258.78
  4. Step 4: Simplify right side
    758,548.31x = 456,688,169,650.62
  5. Step 5: Solve for x
    x = 456,688,169,650.62/758,548.31
  6. Step 6: Final answer
    x = 602,055.48

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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.