Finding the Fourth Proportional to 958,881.99, 1,438,479.05 and 359,890.23
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Solution
The fourth proportional to 958,881.99, 1,438,479.05 and 359,890.23 is: 539,893.92
Step by Step Solution
- Step 1: Write the proportion equation
958,881.99 : 1,438,479.05 = 359,890.23 : x - Step 2: Convert to fraction form
958,881.99/1,438,479.05 = 359,890.23/x - Step 3: Cross multiply
958,881.99x = 1,438,479.05 × 359,890.23 - Step 4: Simplify right side
958,881.99x = 517,694,554,355.23 - Step 5: Solve for x
x = 517,694,554,355.23/958,881.99 - Step 6: Final answer
x = 539,893.92
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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.