Finding the Fourth Proportional to 713,582.50, 984,773.74 and 391,305.02
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Solution
The fourth proportional to 713,582.50, 984,773.74 and 391,305.02 is: 540,017.32
Step by Step Solution
- Step 1: Write the proportion equation
713,582.50 : 984,773.74 = 391,305.02 : x - Step 2: Convert to fraction form
713,582.50/984,773.74 = 391,305.02/x - Step 3: Cross multiply
713,582.50x = 984,773.74 × 391,305.02 - Step 4: Simplify right side
713,582.50x = 385,346,908,026.18 - Step 5: Solve for x
x = 385,346,908,026.18/713,582.50 - Step 6: Final answer
x = 540,017.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.