Finding the Fourth Proportional to 936,840.77, 1,292,764.95 and 529,041.81
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Solution
The fourth proportional to 936,840.77, 1,292,764.95 and 529,041.81 is: 730,035.17
Step by Step Solution
- Step 1: Write the proportion equation
936,840.77 : 1,292,764.95 = 529,041.81 : x - Step 2: Convert to fraction form
936,840.77/1,292,764.95 = 529,041.81/x - Step 3: Cross multiply
936,840.77x = 1,292,764.95 × 529,041.81 - Step 4: Simplify right side
936,840.77x = 683,926,709,052.56 - Step 5: Solve for x
x = 683,926,709,052.56/936,840.77 - Step 6: Final answer
x = 730,035.17
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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.