Home / 430,747.64-594,431.76-239,756.93

Finding the Fourth Proportional to 430,747.64, 594,431.76 and 239,756.93

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Solution

The fourth proportional to 430,747.64, 594,431.76 and 239,756.93 is: 330,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,747.64 : 594,431.76 = 239,756.93 : x
  2. Step 2: Convert to fraction form
    430,747.64/594,431.76 = 239,756.93/x
  3. Step 3: Cross multiply
    430,747.64x = 594,431.76 × 239,756.93
  4. Step 4: Simplify right side
    430,747.64x = 142,519,133,872.10
  5. Step 5: Solve for x
    x = 142,519,133,872.10/430,747.64
  6. Step 6: Final answer
    x = 330,864.57

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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.