Home / 630,363.44-869,782.57-375,738.32

Finding the Fourth Proportional to 630,363.44, 869,782.57 and 375,738.32

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Solution

The fourth proportional to 630,363.44, 869,782.57 and 375,738.32 is: 518,447.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,363.44 : 869,782.57 = 375,738.32 : x
  2. Step 2: Convert to fraction form
    630,363.44/869,782.57 = 375,738.32/x
  3. Step 3: Cross multiply
    630,363.44x = 869,782.57 × 375,738.32
  4. Step 4: Simplify right side
    630,363.44x = 326,810,636,328.82
  5. Step 5: Solve for x
    x = 326,810,636,328.82/630,363.44
  6. Step 6: Final answer
    x = 518,447.96

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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.