Finding the Fourth Proportional to 624,613.18, 861,966.01 and 338,133.06
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Solution
The fourth proportional to 624,613.18, 861,966.01 and 338,133.06 is: 466,623.53
Step by Step Solution
- Step 1: Write the proportion equation
624,613.18 : 861,966.01 = 338,133.06 : x - Step 2: Convert to fraction form
624,613.18/861,966.01 = 338,133.06/x - Step 3: Cross multiply
624,613.18x = 861,966.01 × 338,133.06 - Step 4: Simplify right side
624,613.18x = 291,459,204,577.29 - Step 5: Solve for x
x = 291,459,204,577.29/624,613.18 - Step 6: Final answer
x = 466,623.53
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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.