Home / 570,913.26-787,848.24-312,777.64

Finding the Fourth Proportional to 570,913.26, 787,848.24 and 312,777.64

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Solution

The fourth proportional to 570,913.26, 787,848.24 and 312,777.64 is: 431,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,913.26 : 787,848.24 = 312,777.64 : x
  2. Step 2: Convert to fraction form
    570,913.26/787,848.24 = 312,777.64/x
  3. Step 3: Cross multiply
    570,913.26x = 787,848.24 × 312,777.64
  4. Step 4: Simplify right side
    570,913.26x = 246,421,309,152.06
  5. Step 5: Solve for x
    x = 246,421,309,152.06/570,913.26
  6. Step 6: Final answer
    x = 431,626.53

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1.5x scale

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.