Finding the Fourth Proportional to 926,904.68, 1,279,118.58 and 519,010.28
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Solution
The fourth proportional to 926,904.68, 1,279,118.58 and 519,010.28 is: 716,228.66
Step by Step Solution
- Step 1: Write the proportion equation
926,904.68 : 1,279,118.58 = 519,010.28 : x - Step 2: Convert to fraction form
926,904.68/1,279,118.58 = 519,010.28/x - Step 3: Cross multiply
926,904.68x = 1,279,118.58 × 519,010.28 - Step 4: Simplify right side
926,904.68x = 663,875,692,359.00 - Step 5: Solve for x
x = 663,875,692,359.00/926,904.68 - Step 6: Final answer
x = 716,228.66
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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.