Home / 877,589.67-1,316,384.64-212,741.67

Finding the Fourth Proportional to 877,589.67, 1,316,384.64 and 212,741.67

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Solution

The fourth proportional to 877,589.67, 1,316,384.64 and 212,741.67 is: 319,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,589.67 : 1,316,384.64 = 212,741.67 : x
  2. Step 2: Convert to fraction form
    877,589.67/1,316,384.64 = 212,741.67/x
  3. Step 3: Cross multiply
    877,589.67x = 1,316,384.64 × 212,741.67
  4. Step 4: Simplify right side
    877,589.67x = 280,049,866,675.95
  5. Step 5: Solve for x
    x = 280,049,866,675.95/877,589.67
  6. Step 6: Final answer
    x = 319,112.54

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1.5x scale

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.