Finding the Fourth Proportional to 891,805.98, 1,230,688.56 and 529,528.06
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Solution
The fourth proportional to 891,805.98, 1,230,688.56 and 529,528.06 is: 730,746.54
Step by Step Solution
- Step 1: Write the proportion equation
891,805.98 : 1,230,688.56 = 529,528.06 : x - Step 2: Convert to fraction form
891,805.98/1,230,688.56 = 529,528.06/x - Step 3: Cross multiply
891,805.98x = 1,230,688.56 × 529,528.06 - Step 4: Simplify right side
891,805.98x = 651,684,132,002.42 - Step 5: Solve for x
x = 651,684,132,002.42/891,805.98 - Step 6: Final answer
x = 730,746.54
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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.