Finding the Fourth Proportional to 989,641.80, 1,484,462.70 and 674,713.80
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Solution
The fourth proportional to 989,641.80, 1,484,462.70 and 674,713.80 is: 1,012,070.70
Step by Step Solution
- Step 1: Write the proportion equation
989,641.80 : 1,484,462.70 = 674,713.80 : x - Step 2: Convert to fraction form
989,641.80/1,484,462.70 = 674,713.80/x - Step 3: Cross multiply
989,641.80x = 1,484,462.70 × 674,713.80 - Step 4: Simplify right side
989,641.80x = 1,001,587,469,275.26 - Step 5: Solve for x
x = 1,001,587,469,275.26/989,641.80 - Step 6: Final answer
x = 1,012,070.70
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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.