Home / 630,395.33-869,941.42-358,463.24

Finding the Fourth Proportional to 630,395.33, 869,941.42 and 358,463.24

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Solution

The fourth proportional to 630,395.33, 869,941.42 and 358,463.24 is: 494,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,395.33 : 869,941.42 = 358,463.24 : x
  2. Step 2: Convert to fraction form
    630,395.33/869,941.42 = 358,463.24/x
  3. Step 3: Cross multiply
    630,395.33x = 869,941.42 × 358,463.24
  4. Step 4: Simplify right side
    630,395.33x = 311,842,020,023.40
  5. Step 5: Solve for x
    x = 311,842,020,023.40/630,395.33
  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.