Finding the Fourth Proportional to 746,407.41, 1,029,408.39 and 630,687.84
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Solution
The fourth proportional to 746,407.41, 1,029,408.39 and 630,687.84 is: 869,813.65
Step by Step Solution
- Step 1: Write the proportion equation
746,407.41 : 1,029,408.39 = 630,687.84 : x - Step 2: Convert to fraction form
746,407.41/1,029,408.39 = 630,687.84/x - Step 3: Cross multiply
746,407.41x = 1,029,408.39 × 630,687.84 - Step 4: Simplify right side
746,407.41x = 649,235,353,966.98 - Step 5: Solve for x
x = 649,235,353,966.98/746,407.41 - Step 6: Final answer
x = 869,813.65
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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.