Finding the Fourth Proportional to 905,485.05, 1,249,488.05 and 497,582.01
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Solution
The fourth proportional to 905,485.05, 1,249,488.05 and 497,582.01 is: 686,618.48
Step by Step Solution
- Step 1: Write the proportion equation
905,485.05 : 1,249,488.05 = 497,582.01 : x - Step 2: Convert to fraction form
905,485.05/1,249,488.05 = 497,582.01/x - Step 3: Cross multiply
905,485.05x = 1,249,488.05 × 497,582.01 - Step 4: Simplify right side
905,485.05x = 621,722,772,902.07 - Step 5: Solve for x
x = 621,722,772,902.07/905,485.05 - Step 6: Final answer
x = 686,618.48
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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.