Home / 889,724.16-1,334,793.60-290,712.96

Finding the Fourth Proportional to 889,724.16, 1,334,793.60 and 290,712.96

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Solution

The fourth proportional to 889,724.16, 1,334,793.60 and 290,712.96 is: 436,137.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,724.16 : 1,334,793.60 = 290,712.96 : x
  2. Step 2: Convert to fraction form
    889,724.16/1,334,793.60 = 290,712.96/x
  3. Step 3: Cross multiply
    889,724.16x = 1,334,793.60 × 290,712.96
  4. Step 4: Simplify right side
    889,724.16x = 388,041,798,445.06
  5. Step 5: Solve for x
    x = 388,041,798,445.06/889,724.16
  6. Step 6: Final answer
    x = 436,137.19

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1.5x scale

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.