Home / 877,521.42-1,316,282.04-212,673.42

Finding the Fourth Proportional to 877,521.42, 1,316,282.04 and 212,673.42

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Solution

The fourth proportional to 877,521.42, 1,316,282.04 and 212,673.42 is: 319,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,521.42 : 1,316,282.04 = 212,673.42 : x
  2. Step 2: Convert to fraction form
    877,521.42/1,316,282.04 = 212,673.42/x
  3. Step 3: Cross multiply
    877,521.42x = 1,316,282.04 × 212,673.42
  4. Step 4: Simplify right side
    877,521.42x = 279,938,203,131.38
  5. Step 5: Solve for x
    x = 279,938,203,131.38/877,521.42
  6. Step 6: Final answer
    x = 319,010.11

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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.