Finding the Fourth Proportional to 1,073,827.68, 1,480,330.08 and 710,643.12
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Solution
The fourth proportional to 1,073,827.68, 1,480,330.08 and 710,643.12 is: 979,660.34
Step by Step Solution
- Step 1: Write the proportion equation
1,073,827.68 : 1,480,330.08 = 710,643.12 : x - Step 2: Convert to fraction form
1,073,827.68/1,480,330.08 = 710,643.12/x - Step 3: Cross multiply
1,073,827.68x = 1,480,330.08 × 710,643.12 - Step 4: Simplify right side
1,073,827.68x = 1,051,986,386,681.05 - Step 5: Solve for x
x = 1,051,986,386,681.05/1,073,827.68 - Step 6: Final answer
x = 979,660.34
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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.