Finding the Fourth Proportional to 549,862.20, 824,006.10 and 312,703.80
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Solution
The fourth proportional to 549,862.20, 824,006.10 and 312,703.80 is: 468,608.02
Step by Step Solution
- Step 1: Write the proportion equation
549,862.20 : 824,006.10 = 312,703.80 : x - Step 2: Convert to fraction form
549,862.20/824,006.10 = 312,703.80/x - Step 3: Cross multiply
549,862.20x = 824,006.10 × 312,703.80 - Step 4: Simplify right side
549,862.20x = 257,669,838,693.18 - Step 5: Solve for x
x = 257,669,838,693.18/549,862.20 - Step 6: Final answer
x = 468,608.02
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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.