Home / 570,611.40-788,263.97-455,739.23

Finding the Fourth Proportional to 570,611.40, 788,263.97 and 455,739.23

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Solution

The fourth proportional to 570,611.40, 788,263.97 and 455,739.23 is: 629,575.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,611.40 : 788,263.97 = 455,739.23 : x
  2. Step 2: Convert to fraction form
    570,611.40/788,263.97 = 455,739.23/x
  3. Step 3: Cross multiply
    570,611.40x = 788,263.97 × 455,739.23
  4. Step 4: Simplify right side
    570,611.40x = 359,242,808,504.53
  5. Step 5: Solve for x
    x = 359,242,808,504.53/570,611.40
  6. Step 6: Final answer
    x = 629,575.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.