Finding the Fourth Proportional to 602,218.99, 828,976.03 and 520,509.70
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Solution
The fourth proportional to 602,218.99, 828,976.03 and 520,509.70 is: 716,500.26
Step by Step Solution
- Step 1: Write the proportion equation
602,218.99 : 828,976.03 = 520,509.70 : x - Step 2: Convert to fraction form
602,218.99/828,976.03 = 520,509.70/x - Step 3: Cross multiply
602,218.99x = 828,976.03 × 520,509.70 - Step 4: Simplify right side
602,218.99x = 431,490,064,682.49 - Step 5: Solve for x
x = 431,490,064,682.49/602,218.99 - Step 6: Final answer
x = 716,500.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.