Finding the Fourth Proportional to 648,262.99, 894,652.41 and 357,930.55
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Solution
The fourth proportional to 648,262.99, 894,652.41 and 357,930.55 is: 493,971.48
Step by Step Solution
- Step 1: Write the proportion equation
648,262.99 : 894,652.41 = 357,930.55 : x - Step 2: Convert to fraction form
648,262.99/894,652.41 = 357,930.55/x - Step 3: Cross multiply
648,262.99x = 894,652.41 × 357,930.55 - Step 4: Simplify right side
648,262.99x = 320,223,429,170.13 - Step 5: Solve for x
x = 320,223,429,170.13/648,262.99 - Step 6: Final answer
x = 493,971.48
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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.