Home / 435,331.34-651,307.53-381,619.31

Finding the Fourth Proportional to 435,331.34, 651,307.53 and 381,619.31

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Solution

The fourth proportional to 435,331.34, 651,307.53 and 381,619.31 is: 570,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,331.34 : 651,307.53 = 381,619.31 : x
  2. Step 2: Convert to fraction form
    435,331.34/651,307.53 = 381,619.31/x
  3. Step 3: Cross multiply
    435,331.34x = 651,307.53 × 381,619.31
  4. Step 4: Simplify right side
    435,331.34x = 248,551,526,939.87
  5. Step 5: Solve for x
    x = 248,551,526,939.87/435,331.34
  6. Step 6: Final answer
    x = 570,947.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.