Finding the Fourth Proportional to 740,230.70, 1,110,864.45 and 474,637.10
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Solution
The fourth proportional to 740,230.70, 1,110,864.45 and 474,637.10 is: 712,288.05
Step by Step Solution
- Step 1: Write the proportion equation
740,230.70 : 1,110,864.45 = 474,637.10 : x - Step 2: Convert to fraction form
740,230.70/1,110,864.45 = 474,637.10/x - Step 3: Cross multiply
740,230.70x = 1,110,864.45 × 474,637.10 - Step 4: Simplify right side
740,230.70x = 527,257,481,041.10 - Step 5: Solve for x
x = 527,257,481,041.10/740,230.70 - Step 6: Final answer
x = 712,288.05
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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.