Finding the Fourth Proportional to 851,663.03, 1,175,296.05 and 464,479.09
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Solution
The fourth proportional to 851,663.03, 1,175,296.05 and 464,479.09 is: 640,981.73
Step by Step Solution
- Step 1: Write the proportion equation
851,663.03 : 1,175,296.05 = 464,479.09 : x - Step 2: Convert to fraction form
851,663.03/1,175,296.05 = 464,479.09/x - Step 3: Cross multiply
851,663.03x = 1,175,296.05 × 464,479.09 - Step 4: Simplify right side
851,663.03x = 545,900,439,784.60 - Step 5: Solve for x
x = 545,900,439,784.60/851,663.03 - Step 6: Final answer
x = 640,981.73
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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.