Home / 877,518.75-1,316,278.14-212,670.75

Finding the Fourth Proportional to 877,518.75, 1,316,278.14 and 212,670.75

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Solution

The fourth proportional to 877,518.75, 1,316,278.14 and 212,670.75 is: 319,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,518.75 : 1,316,278.14 = 212,670.75 : x
  2. Step 2: Convert to fraction form
    877,518.75/1,316,278.14 = 212,670.75/x
  3. Step 3: Cross multiply
    877,518.75x = 1,316,278.14 × 212,670.75
  4. Step 4: Simplify right side
    877,518.75x = 279,933,859,242.41
  5. Step 5: Solve for x
    x = 279,933,859,242.41/877,518.75
  6. Step 6: Final answer
    x = 319,006.13

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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.