Finding the Fourth Proportional to 843,643.76, 1,164,206.93 and 499,484.07
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Solution
The fourth proportional to 843,643.76, 1,164,206.93 and 499,484.07 is: 689,275.31
Step by Step Solution
- Step 1: Write the proportion equation
843,643.76 : 1,164,206.93 = 499,484.07 : x - Step 2: Convert to fraction form
843,643.76/1,164,206.93 = 499,484.07/x - Step 3: Cross multiply
843,643.76x = 1,164,206.93 × 499,484.07 - Step 4: Simplify right side
843,643.76x = 581,502,813,221.19 - Step 5: Solve for x
x = 581,502,813,221.19/843,643.76 - Step 6: Final answer
x = 689,275.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.