Home / 877,546.42-1,316,319.63-212,698.42

Finding the Fourth Proportional to 877,546.42, 1,316,319.63 and 212,698.42

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Solution

The fourth proportional to 877,546.42, 1,316,319.63 and 212,698.42 is: 319,047.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,546.42 : 1,316,319.63 = 212,698.42 : x
  2. Step 2: Convert to fraction form
    877,546.42/1,316,319.63 = 212,698.42/x
  3. Step 3: Cross multiply
    877,546.42x = 1,316,319.63 × 212,698.42
  4. Step 4: Simplify right side
    877,546.42x = 279,979,105,515.99
  5. Step 5: Solve for x
    x = 279,979,105,515.99/877,546.42
  6. Step 6: Final answer
    x = 319,047.63

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Similar ratio
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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.