Home / 725,980.40-1,088,095.80-370,811.60

Finding the Fourth Proportional to 725,980.40, 1,088,095.80 and 370,811.60

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Solution

The fourth proportional to 725,980.40, 1,088,095.80 and 370,811.60 is: 555,770.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,980.40 : 1,088,095.80 = 370,811.60 : x
  2. Step 2: Convert to fraction form
    725,980.40/1,088,095.80 = 370,811.60/x
  3. Step 3: Cross multiply
    725,980.40x = 1,088,095.80 × 370,811.60
  4. Step 4: Simplify right side
    725,980.40x = 403,478,544,551.28
  5. Step 5: Solve for x
    x = 403,478,544,551.28/725,980.40
  6. Step 6: Final answer
    x = 555,770.58

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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.