Finding the Fourth Proportional to 949,129.18, 1,309,794.77 and 513,545.20
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Solution
The fourth proportional to 949,129.18, 1,309,794.77 and 513,545.20 is: 708,690.48
Step by Step Solution
- Step 1: Write the proportion equation
949,129.18 : 1,309,794.77 = 513,545.20 : x - Step 2: Convert to fraction form
949,129.18/1,309,794.77 = 513,545.20/x - Step 3: Cross multiply
949,129.18x = 1,309,794.77 × 513,545.20 - Step 4: Simplify right side
949,129.18x = 672,638,815,127.98 - Step 5: Solve for x
x = 672,638,815,127.98/949,129.18 - Step 6: Final answer
x = 708,690.48
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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.