Home / 570,567.36-787,427.28-315,942.24

Finding the Fourth Proportional to 570,567.36, 787,427.28 and 315,942.24

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Solution

The fourth proportional to 570,567.36, 787,427.28 and 315,942.24 is: 436,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,567.36 : 787,427.28 = 315,942.24 : x
  2. Step 2: Convert to fraction form
    570,567.36/787,427.28 = 315,942.24/x
  3. Step 3: Cross multiply
    570,567.36x = 787,427.28 × 315,942.24
  4. Step 4: Simplify right side
    570,567.36x = 248,781,538,680.31
  5. Step 5: Solve for x
    x = 248,781,538,680.31/570,567.36
  6. Step 6: Final answer
    x = 436,024.83

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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.