Finding the Fourth Proportional to 828,724.79, 1,142,661.96 and 567,206.21
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Solution
The fourth proportional to 828,724.79, 1,142,661.96 and 567,206.21 is: 782,075.02
Step by Step Solution
- Step 1: Write the proportion equation
828,724.79 : 1,142,661.96 = 567,206.21 : x - Step 2: Convert to fraction form
828,724.79/1,142,661.96 = 567,206.21/x - Step 3: Cross multiply
828,724.79x = 1,142,661.96 × 567,206.21 - Step 4: Simplify right side
828,724.79x = 648,124,953,929.46 - Step 5: Solve for x
x = 648,124,953,929.46/828,724.79 - Step 6: Final answer
x = 782,075.02
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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.