Finding the Fourth Proportional to 660,063.84, 910,888.02 and 358,257.84
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Solution
The fourth proportional to 660,063.84, 910,888.02 and 358,257.84 is: 494,395.78
Step by Step Solution
- Step 1: Write the proportion equation
660,063.84 : 910,888.02 = 358,257.84 : x - Step 2: Convert to fraction form
660,063.84/910,888.02 = 358,257.84/x - Step 3: Cross multiply
660,063.84x = 910,888.02 × 358,257.84 - Step 4: Simplify right side
660,063.84x = 326,332,774,527.08 - Step 5: Solve for x
x = 326,332,774,527.08/660,063.84 - Step 6: Final answer
x = 494,395.78
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1.5x scale
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.