Finding the Fourth Proportional to 903,445.14, 1,353,360.89 and 543,417.19
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Solution
The fourth proportional to 903,445.14, 1,353,360.89 and 543,417.19 is: 814,038.99
Step by Step Solution
- Step 1: Write the proportion equation
903,445.14 : 1,353,360.89 = 543,417.19 : x - Step 2: Convert to fraction form
903,445.14/1,353,360.89 = 543,417.19/x - Step 3: Cross multiply
903,445.14x = 1,353,360.89 × 543,417.19 - Step 4: Simplify right side
903,445.14x = 735,439,569,874.84 - Step 5: Solve for x
x = 735,439,569,874.84/903,445.14 - Step 6: Final answer
x = 814,038.99
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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.