Finding the Fourth Proportional to 989,763.98, 1,484,349.77 and 516,191.00
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Solution
The fourth proportional to 989,763.98, 1,484,349.77 and 516,191.00 is: 774,132.02
Step by Step Solution
- Step 1: Write the proportion equation
989,763.98 : 1,484,349.77 = 516,191.00 : x - Step 2: Convert to fraction form
989,763.98/1,484,349.77 = 516,191.00/x - Step 3: Cross multiply
989,763.98x = 1,484,349.77 × 516,191.00 - Step 4: Simplify right side
989,763.98x = 766,207,985,994.80 - Step 5: Solve for x
x = 766,207,985,994.80/989,763.98 - Step 6: Final answer
x = 774,132.02
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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.