Finding the Fourth Proportional to 917,368.91, 1,375,508.23 and 348,791.63
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Solution
The fourth proportional to 917,368.91, 1,375,508.23 and 348,791.63 is: 522,980.18
Step by Step Solution
- Step 1: Write the proportion equation
917,368.91 : 1,375,508.23 = 348,791.63 : x - Step 2: Convert to fraction form
917,368.91/1,375,508.23 = 348,791.63/x - Step 3: Cross multiply
917,368.91x = 1,375,508.23 × 348,791.63 - Step 4: Simplify right side
917,368.91x = 479,765,752,910.24 - Step 5: Solve for x
x = 479,765,752,910.24/917,368.91 - Step 6: Final answer
x = 522,980.18
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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.