Finding the Fourth Proportional to 626,593.08, 864,699.12 and 340,113.12
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Solution
The fourth proportional to 626,593.08, 864,699.12 and 340,113.12 is: 469,356.47
Step by Step Solution
- Step 1: Write the proportion equation
626,593.08 : 864,699.12 = 340,113.12 : x - Step 2: Convert to fraction form
626,593.08/864,699.12 = 340,113.12/x - Step 3: Cross multiply
626,593.08x = 864,699.12 × 340,113.12 - Step 4: Simplify right side
626,593.08x = 294,095,515,564.45 - Step 5: Solve for x
x = 294,095,515,564.45/626,593.08 - Step 6: Final answer
x = 469,356.47
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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.