Finding the Fourth Proportional to 905,643.26, 1,249,267.28 and 565,521.02
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Solution
The fourth proportional to 905,643.26, 1,249,267.28 and 565,521.02 is: 780,094.04
Step by Step Solution
- Step 1: Write the proportion equation
905,643.26 : 1,249,267.28 = 565,521.02 : x - Step 2: Convert to fraction form
905,643.26/1,249,267.28 = 565,521.02/x - Step 3: Cross multiply
905,643.26x = 1,249,267.28 × 565,521.02 - Step 4: Simplify right side
905,643.26x = 706,486,906,438.23 - Step 5: Solve for x
x = 706,486,906,438.23/905,643.26 - Step 6: Final answer
x = 780,094.04
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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.