Finding the Fourth Proportional to 618,966.25, 854,130.64 and 343,298.09
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Solution
The fourth proportional to 618,966.25, 854,130.64 and 343,298.09 is: 473,727.63
Step by Step Solution
- Step 1: Write the proportion equation
618,966.25 : 854,130.64 = 343,298.09 : x - Step 2: Convert to fraction form
618,966.25/854,130.64 = 343,298.09/x - Step 3: Cross multiply
618,966.25x = 854,130.64 × 343,298.09 - Step 4: Simplify right side
618,966.25x = 293,221,417,322.48 - Step 5: Solve for x
x = 293,221,417,322.48/618,966.25 - Step 6: Final answer
x = 473,727.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.