Home / 570,928.37-787,823.74-316,231.97

Finding the Fourth Proportional to 570,928.37, 787,823.74 and 316,231.97

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Solution

The fourth proportional to 570,928.37, 787,823.74 and 316,231.97 is: 436,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,928.37 : 787,823.74 = 316,231.97 : x
  2. Step 2: Convert to fraction form
    570,928.37/787,823.74 = 316,231.97/x
  3. Step 3: Cross multiply
    570,928.37x = 787,823.74 × 316,231.97
  4. Step 4: Simplify right side
    570,928.37x = 249,135,055,677.82
  5. Step 5: Solve for x
    x = 249,135,055,677.82/570,928.37
  6. Step 6: Final answer
    x = 436,368.32

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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.