Finding the Fourth Proportional to 929,982.71, 1,395,026.04 and 290,374.79
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Solution
The fourth proportional to 929,982.71, 1,395,026.04 and 290,374.79 is: 435,578.41
Step by Step Solution
- Step 1: Write the proportion equation
929,982.71 : 1,395,026.04 = 290,374.79 : x - Step 2: Convert to fraction form
929,982.71/1,395,026.04 = 290,374.79/x - Step 3: Cross multiply
929,982.71x = 1,395,026.04 × 290,374.79 - Step 4: Simplify right side
929,982.71x = 405,080,386,434.40 - Step 5: Solve for x
x = 405,080,386,434.40/929,982.71 - Step 6: Final answer
x = 435,578.41
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.