Finding the Fourth Proportional to 667,823.45, 999,340.70 and 578,174.53
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Solution
The fourth proportional to 667,823.45, 999,340.70 and 578,174.53 is: 865,188.75
Step by Step Solution
- Step 1: Write the proportion equation
667,823.45 : 999,340.70 = 578,174.53 : x - Step 2: Convert to fraction form
667,823.45/999,340.70 = 578,174.53/x - Step 3: Cross multiply
667,823.45x = 999,340.70 × 578,174.53 - Step 4: Simplify right side
667,823.45x = 577,793,331,644.80 - Step 5: Solve for x
x = 577,793,331,644.80/667,823.45 - Step 6: Final answer
x = 865,188.75
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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.