Home / 877,538.25-1,316,307.38-212,690.25

Finding the Fourth Proportional to 877,538.25, 1,316,307.38 and 212,690.25

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Solution

The fourth proportional to 877,538.25, 1,316,307.38 and 212,690.25 is: 319,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,538.25 : 1,316,307.38 = 212,690.25 : x
  2. Step 2: Convert to fraction form
    877,538.25/1,316,307.38 = 212,690.25/x
  3. Step 3: Cross multiply
    877,538.25x = 1,316,307.38 × 212,690.25
  4. Step 4: Simplify right side
    877,538.25x = 279,965,744,665.59
  5. Step 5: Solve for x
    x = 279,965,744,665.59/877,538.25
  6. Step 6: Final answer
    x = 319,035.38

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Similar ratio
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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.