Home / 812,848.08-1,122,278.08-507,389.52

Finding the Fourth Proportional to 812,848.08, 1,122,278.08 and 507,389.52

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Solution

The fourth proportional to 812,848.08, 1,122,278.08 and 507,389.52 is: 700,539.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,848.08 : 1,122,278.08 = 507,389.52 : x
  2. Step 2: Convert to fraction form
    812,848.08/1,122,278.08 = 507,389.52/x
  3. Step 3: Cross multiply
    812,848.08x = 1,122,278.08 × 507,389.52
  4. Step 4: Simplify right side
    812,848.08x = 569,432,136,317.72
  5. Step 5: Solve for x
    x = 569,432,136,317.72/812,848.08
  6. Step 6: Final answer
    x = 700,539.44

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1.5x scale

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.