Home / 879,270.59-1,213,008.17-516,530.81

Finding the Fourth Proportional to 879,270.59, 1,213,008.17 and 516,530.81

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Solution

The fourth proportional to 879,270.59, 1,213,008.17 and 516,530.81 is: 712,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,270.59 : 1,213,008.17 = 516,530.81 : x
  2. Step 2: Convert to fraction form
    879,270.59/1,213,008.17 = 516,530.81/x
  3. Step 3: Cross multiply
    879,270.59x = 1,213,008.17 × 516,530.81
  4. Step 4: Simplify right side
    879,270.59x = 626,556,090,004.06
  5. Step 5: Solve for x
    x = 626,556,090,004.06/879,270.59
  6. Step 6: Final answer
    x = 712,586.20

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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.