Home / 630,134.03-869,435.47-358,180.52

Finding the Fourth Proportional to 630,134.03, 869,435.47 and 358,180.52

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Solution

The fourth proportional to 630,134.03, 869,435.47 and 358,180.52 is: 494,204.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,134.03 : 869,435.47 = 358,180.52 : x
  2. Step 2: Convert to fraction form
    630,134.03/869,435.47 = 358,180.52/x
  3. Step 3: Cross multiply
    630,134.03x = 869,435.47 × 358,180.52
  4. Step 4: Simplify right side
    630,134.03x = 311,414,844,851.59
  5. Step 5: Solve for x
    x = 311,414,844,851.59/630,134.03
  6. Step 6: Final answer
    x = 494,204.14

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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.