Home / 701,359.24-1,052,303.82-421,071.88

Finding the Fourth Proportional to 701,359.24, 1,052,303.82 and 421,071.88

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Solution

The fourth proportional to 701,359.24, 1,052,303.82 and 421,071.88 is: 631,766.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,359.24 : 1,052,303.82 = 421,071.88 : x
  2. Step 2: Convert to fraction form
    701,359.24/1,052,303.82 = 421,071.88/x
  3. Step 3: Cross multiply
    701,359.24x = 1,052,303.82 × 421,071.88
  4. Step 4: Simplify right side
    701,359.24x = 443,095,547,818.58
  5. Step 5: Solve for x
    x = 443,095,547,818.58/701,359.24
  6. Step 6: Final answer
    x = 631,766.89

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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.