Home / 879,270.84-1,213,008.51-516,531.06

Finding the Fourth Proportional to 879,270.84, 1,213,008.51 and 516,531.06

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Solution

The fourth proportional to 879,270.84, 1,213,008.51 and 516,531.06 is: 712,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,270.84 : 1,213,008.51 = 516,531.06 : x
  2. Step 2: Convert to fraction form
    879,270.84/1,213,008.51 = 516,531.06/x
  3. Step 3: Cross multiply
    879,270.84x = 1,213,008.51 × 516,531.06
  4. Step 4: Simplify right side
    879,270.84x = 626,556,571,459.32
  5. Step 5: Solve for x
    x = 626,556,571,459.32/879,270.84
  6. Step 6: Final answer
    x = 712,586.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.