Home / 850,307.85-1,173,437.50-463,141.12

Finding the Fourth Proportional to 850,307.85, 1,173,437.50 and 463,141.12

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Solution

The fourth proportional to 850,307.85, 1,173,437.50 and 463,141.12 is: 639,141.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,307.85 : 1,173,437.50 = 463,141.12 : x
  2. Step 2: Convert to fraction form
    850,307.85/1,173,437.50 = 463,141.12/x
  3. Step 3: Cross multiply
    850,307.85x = 1,173,437.50 × 463,141.12
  4. Step 4: Simplify right side
    850,307.85x = 543,467,158,000
  5. Step 5: Solve for x
    x = 543,467,158,000/850,307.85
  6. Step 6: Final answer
    x = 639,141.64

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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.