Home / 718,666.40-1,077,999.60-245,280.80

Finding the Fourth Proportional to 718,666.40, 1,077,999.60 and 245,280.80

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Solution

The fourth proportional to 718,666.40, 1,077,999.60 and 245,280.80 is: 367,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,666.40 : 1,077,999.60 = 245,280.80 : x
  2. Step 2: Convert to fraction form
    718,666.40/1,077,999.60 = 245,280.80/x
  3. Step 3: Cross multiply
    718,666.40x = 1,077,999.60 × 245,280.80
  4. Step 4: Simplify right side
    718,666.40x = 264,412,604,287.68
  5. Step 5: Solve for x
    x = 264,412,604,287.68/718,666.40
  6. Step 6: Final answer
    x = 367,921.20

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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.