Home / 630,395.34-869,941.41-358,463.25

Finding the Fourth Proportional to 630,395.34, 869,941.41 and 358,463.25

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Solution

The fourth proportional to 630,395.34, 869,941.41 and 358,463.25 is: 494,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,395.34 : 869,941.41 = 358,463.25 : x
  2. Step 2: Convert to fraction form
    630,395.34/869,941.41 = 358,463.25/x
  3. Step 3: Cross multiply
    630,395.34x = 869,941.41 × 358,463.25
  4. Step 4: Simplify right side
    630,395.34x = 311,842,025,138.18
  5. Step 5: Solve for x
    x = 311,842,025,138.18/630,395.34
  6. Step 6: Final answer
    x = 494,676.92

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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.