Home / 910,378.80-1,364,474.70-377,625.60

Finding the Fourth Proportional to 910,378.80, 1,364,474.70 and 377,625.60

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Solution

The fourth proportional to 910,378.80, 1,364,474.70 and 377,625.60 is: 565,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,378.80 : 1,364,474.70 = 377,625.60 : x
  2. Step 2: Convert to fraction form
    910,378.80/1,364,474.70 = 377,625.60/x
  3. Step 3: Cross multiply
    910,378.80x = 1,364,474.70 × 377,625.60
  4. Step 4: Simplify right side
    910,378.80x = 515,260,577,272.32
  5. Step 5: Solve for x
    x = 515,260,577,272.32/910,378.80
  6. Step 6: Final answer
    x = 565,984.82

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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.