Home / 500,941.89-751,427.42-145,948.05

Finding the Fourth Proportional to 500,941.89, 751,427.42 and 145,948.05

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Solution

The fourth proportional to 500,941.89, 751,427.42 and 145,948.05 is: 218,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,941.89 : 751,427.42 = 145,948.05 : x
  2. Step 2: Convert to fraction form
    500,941.89/751,427.42 = 145,948.05/x
  3. Step 3: Cross multiply
    500,941.89x = 751,427.42 × 145,948.05
  4. Step 4: Simplify right side
    500,941.89x = 109,669,365,935.79
  5. Step 5: Solve for x
    x = 109,669,365,935.79/500,941.89
  6. Step 6: Final answer
    x = 218,926.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.