Finding the Fourth Proportional to 563,913.28, 778,241.50 and 322,190.68
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Solution
The fourth proportional to 563,913.28, 778,241.50 and 322,190.68 is: 444,646.66
Step by Step Solution
- Step 1: Write the proportion equation
563,913.28 : 778,241.50 = 322,190.68 : x - Step 2: Convert to fraction form
563,913.28/778,241.50 = 322,190.68/x - Step 3: Cross multiply
563,913.28x = 778,241.50 × 322,190.68 - Step 4: Simplify right side
563,913.28x = 250,742,158,089.22 - Step 5: Solve for x
x = 250,742,158,089.22/563,913.28 - Step 6: Final answer
x = 444,646.66
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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.