Home / 885,965.44-1,222,748.90-498,856.29

Finding the Fourth Proportional to 885,965.44, 1,222,748.90 and 498,856.29

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Solution

The fourth proportional to 885,965.44, 1,222,748.90 and 498,856.29 is: 688,487.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,965.44 : 1,222,748.90 = 498,856.29 : x
  2. Step 2: Convert to fraction form
    885,965.44/1,222,748.90 = 498,856.29/x
  3. Step 3: Cross multiply
    885,965.44x = 1,222,748.90 × 498,856.29
  4. Step 4: Simplify right side
    885,965.44x = 609,975,985,688.03
  5. Step 5: Solve for x
    x = 609,975,985,688.03/885,965.44
  6. Step 6: Final answer
    x = 688,487.34

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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.