Finding the Fourth Proportional to 907,687.80, 1,361,531.70 and 375,031.80
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Solution
The fourth proportional to 907,687.80, 1,361,531.70 and 375,031.80 is: 562,547.70
Step by Step Solution
- Step 1: Write the proportion equation
907,687.80 : 1,361,531.70 = 375,031.80 : x - Step 2: Convert to fraction form
907,687.80/1,361,531.70 = 375,031.80/x - Step 3: Cross multiply
907,687.80x = 1,361,531.70 × 375,031.80 - Step 4: Simplify right side
907,687.80x = 510,617,684,208.06 - Step 5: Solve for x
x = 510,617,684,208.06/907,687.80 - Step 6: Final answer
x = 562,547.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.