Finding the Fourth Proportional to 907,494.84, 1,252,416.08 and 520,346.28
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Solution
The fourth proportional to 907,494.84, 1,252,416.08 and 520,346.28 is: 718,119.84
Step by Step Solution
- Step 1: Write the proportion equation
907,494.84 : 1,252,416.08 = 520,346.28 : x - Step 2: Convert to fraction form
907,494.84/1,252,416.08 = 520,346.28/x - Step 3: Cross multiply
907,494.84x = 1,252,416.08 × 520,346.28 - Step 4: Simplify right side
907,494.84x = 651,690,045,089.01 - Step 5: Solve for x
x = 651,690,045,089.01/907,494.84 - Step 6: Final answer
x = 718,119.84
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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.