Finding the Fourth Proportional to 905,584.87, 1,249,737.08 and 497,701.18
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Solution
The fourth proportional to 905,584.87, 1,249,737.08 and 497,701.18 is: 686,844.09
Step by Step Solution
- Step 1: Write the proportion equation
905,584.87 : 1,249,737.08 = 497,701.18 : x - Step 2: Convert to fraction form
905,584.87/1,249,737.08 = 497,701.18/x - Step 3: Cross multiply
905,584.87x = 1,249,737.08 × 497,701.18 - Step 4: Simplify right side
905,584.87x = 621,995,619,405.75 - Step 5: Solve for x
x = 621,995,619,405.75/905,584.87 - Step 6: Final answer
x = 686,844.09
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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.