Home / 774,388.10-1,161,880.02-374,998.16

Finding the Fourth Proportional to 774,388.10, 1,161,880.02 and 374,998.16

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Solution

The fourth proportional to 774,388.10, 1,161,880.02 and 374,998.16 is: 562,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,388.10 : 1,161,880.02 = 374,998.16 : x
  2. Step 2: Convert to fraction form
    774,388.10/1,161,880.02 = 374,998.16/x
  3. Step 3: Cross multiply
    774,388.10x = 1,161,880.02 × 374,998.16
  4. Step 4: Simplify right side
    774,388.10x = 435,702,869,640.76
  5. Step 5: Solve for x
    x = 435,702,869,640.76/774,388.10
  6. Step 6: Final answer
    x = 562,641.48

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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.