Finding the Fourth Proportional to 989,862.75, 1,484,794.13 and 358,777.17
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Solution
The fourth proportional to 989,862.75, 1,484,794.13 and 358,777.17 is: 538,165.76
Step by Step Solution
- Step 1: Write the proportion equation
989,862.75 : 1,484,794.13 = 358,777.17 : x - Step 2: Convert to fraction form
989,862.75/1,484,794.13 = 358,777.17/x - Step 3: Cross multiply
989,862.75x = 1,484,794.13 × 358,777.17 - Step 4: Simplify right side
989,862.75x = 532,710,234,200.13 - Step 5: Solve for x
x = 532,710,234,200.13/989,862.75 - Step 6: Final answer
x = 538,165.76
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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.