Home / 430,109.46-592,675.70-332,721.72

Finding the Fourth Proportional to 430,109.46, 592,675.70 and 332,721.72

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Solution

The fourth proportional to 430,109.46, 592,675.70 and 332,721.72 is: 458,478.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,109.46 : 592,675.70 = 332,721.72 : x
  2. Step 2: Convert to fraction form
    430,109.46/592,675.70 = 332,721.72/x
  3. Step 3: Cross multiply
    430,109.46x = 592,675.70 × 332,721.72
  4. Step 4: Simplify right side
    430,109.46x = 197,196,076,642.60
  5. Step 5: Solve for x
    x = 197,196,076,642.60/430,109.46
  6. Step 6: Final answer
    x = 458,478.82

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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.