Finding the Fourth Proportional to 708,553.50, 977,754.84 and 398,502.52
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Solution
The fourth proportional to 708,553.50, 977,754.84 and 398,502.52 is: 549,905.92
Step by Step Solution
- Step 1: Write the proportion equation
708,553.50 : 977,754.84 = 398,502.52 : x - Step 2: Convert to fraction form
708,553.50/977,754.84 = 398,502.52/x - Step 3: Cross multiply
708,553.50x = 977,754.84 × 398,502.52 - Step 4: Simplify right side
708,553.50x = 389,637,767,682.20 - Step 5: Solve for x
x = 389,637,767,682.20/708,553.50 - Step 6: Final answer
x = 549,905.92
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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.