Home / 889,245.96-1,333,934.55-290,190.48

Finding the Fourth Proportional to 889,245.96, 1,333,934.55 and 290,190.48

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Solution

The fourth proportional to 889,245.96, 1,333,934.55 and 290,190.48 is: 435,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,245.96 : 1,333,934.55 = 290,190.48 : x
  2. Step 2: Convert to fraction form
    889,245.96/1,333,934.55 = 290,190.48/x
  3. Step 3: Cross multiply
    889,245.96x = 1,333,934.55 × 290,190.48
  4. Step 4: Simplify right side
    889,245.96x = 387,095,107,353.08
  5. Step 5: Solve for x
    x = 387,095,107,353.08/889,245.96
  6. Step 6: Final answer
    x = 435,307.13

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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.