Finding the Fourth Proportional to 862,730.99, 1,190,637.27 and 475,615.20
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Solution
The fourth proportional to 862,730.99, 1,190,637.27 and 475,615.20 is: 656,386.75
Step by Step Solution
- Step 1: Write the proportion equation
862,730.99 : 1,190,637.27 = 475,615.20 : x - Step 2: Convert to fraction form
862,730.99/1,190,637.27 = 475,615.20/x - Step 3: Cross multiply
862,730.99x = 1,190,637.27 × 475,615.20 - Step 4: Simplify right side
862,730.99x = 566,285,183,298.50 - Step 5: Solve for x
x = 566,285,183,298.50/862,730.99 - Step 6: Final answer
x = 656,386.75
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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.