Home / 570,271.26-786,962.18-312,148.14

Finding the Fourth Proportional to 570,271.26, 786,962.18 and 312,148.14

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Solution

The fourth proportional to 570,271.26, 786,962.18 and 312,148.14 is: 430,757.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,271.26 : 786,962.18 = 312,148.14 : x
  2. Step 2: Convert to fraction form
    570,271.26/786,962.18 = 312,148.14/x
  3. Step 3: Cross multiply
    570,271.26x = 786,962.18 × 312,148.14
  4. Step 4: Simplify right side
    570,271.26x = 245,648,780,737.35
  5. Step 5: Solve for x
    x = 245,648,780,737.35/570,271.26
  6. Step 6: Final answer
    x = 430,757.78

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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.