Home / 917,074.40-1,375,611.60-598,215.20

Finding the Fourth Proportional to 917,074.40, 1,375,611.60 and 598,215.20

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Solution

The fourth proportional to 917,074.40, 1,375,611.60 and 598,215.20 is: 897,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,074.40 : 1,375,611.60 = 598,215.20 : x
  2. Step 2: Convert to fraction form
    917,074.40/1,375,611.60 = 598,215.20/x
  3. Step 3: Cross multiply
    917,074.40x = 1,375,611.60 × 598,215.20
  4. Step 4: Simplify right side
    917,074.40x = 822,911,768,416.32
  5. Step 5: Solve for x
    x = 822,911,768,416.32/917,074.40
  6. Step 6: Final answer
    x = 897,322.80

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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.