Finding the Fourth Proportional to 602,265.29, 831,130.19 and 330,335.09
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Solution
The fourth proportional to 602,265.29, 831,130.19 and 330,335.09 is: 455,864.66
Step by Step Solution
- Step 1: Write the proportion equation
602,265.29 : 831,130.19 = 330,335.09 : x - Step 2: Convert to fraction form
602,265.29/831,130.19 = 330,335.09/x - Step 3: Cross multiply
602,265.29x = 831,130.19 × 330,335.09 - Step 4: Simplify right side
602,265.29x = 274,551,460,308.04 - Step 5: Solve for x
x = 274,551,460,308.04/602,265.29 - Step 6: Final answer
x = 455,864.66
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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.