Finding the Fourth Proportional to 529,986.84, 731,494.92 and 326,038.14
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Solution
The fourth proportional to 529,986.84, 731,494.92 and 326,038.14 is: 450,002.20
Step by Step Solution
- Step 1: Write the proportion equation
529,986.84 : 731,494.92 = 326,038.14 : x - Step 2: Convert to fraction form
529,986.84/731,494.92 = 326,038.14/x - Step 3: Cross multiply
529,986.84x = 731,494.92 × 326,038.14 - Step 4: Simplify right side
529,986.84x = 238,495,243,136.25 - Step 5: Solve for x
x = 238,495,243,136.25/529,986.84 - Step 6: Final answer
x = 450,002.20
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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.