Home / 718,168.02-1,077,135.36-339,088.02

Finding the Fourth Proportional to 718,168.02, 1,077,135.36 and 339,088.02

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Solution

The fourth proportional to 718,168.02, 1,077,135.36 and 339,088.02 is: 508,576.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,168.02 : 1,077,135.36 = 339,088.02 : x
  2. Step 2: Convert to fraction form
    718,168.02/1,077,135.36 = 339,088.02/x
  3. Step 3: Cross multiply
    718,168.02x = 1,077,135.36 × 339,088.02
  4. Step 4: Simplify right side
    718,168.02x = 365,243,696,494.39
  5. Step 5: Solve for x
    x = 365,243,696,494.39/718,168.02
  6. Step 6: Final answer
    x = 508,576.94

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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.