Home / 578,495.02-867,410.29-308,290.48

Finding the Fourth Proportional to 578,495.02, 867,410.29 and 308,290.48

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Solution

The fourth proportional to 578,495.02, 867,410.29 and 308,290.48 is: 462,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,495.02 : 867,410.29 = 308,290.48 : x
  2. Step 2: Convert to fraction form
    578,495.02/867,410.29 = 308,290.48/x
  3. Step 3: Cross multiply
    578,495.02x = 867,410.29 × 308,290.48
  4. Step 4: Simplify right side
    578,495.02x = 267,414,334,661.04
  5. Step 5: Solve for x
    x = 267,414,334,661.04/578,495.02
  6. Step 6: Final answer
    x = 462,258.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.