Home / 772,616.36-1,159,257.54-417,880.10

Finding the Fourth Proportional to 772,616.36, 1,159,257.54 and 417,880.10

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Solution

The fourth proportional to 772,616.36, 1,159,257.54 and 417,880.10 is: 627,000.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,616.36 : 1,159,257.54 = 417,880.10 : x
  2. Step 2: Convert to fraction form
    772,616.36/1,159,257.54 = 417,880.10/x
  3. Step 3: Cross multiply
    772,616.36x = 1,159,257.54 × 417,880.10
  4. Step 4: Simplify right side
    772,616.36x = 484,430,656,740.95
  5. Step 5: Solve for x
    x = 484,430,656,740.95/772,616.36
  6. Step 6: Final answer
    x = 627,000.26

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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.