Finding the Fourth Proportional to 905,582.62, 1,249,733.98 and 497,698.92
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Solution
The fourth proportional to 905,582.62, 1,249,733.98 and 497,698.92 is: 686,840.98
Step by Step Solution
- Step 1: Write the proportion equation
905,582.62 : 1,249,733.98 = 497,698.92 : x - Step 2: Convert to fraction form
905,582.62/1,249,733.98 = 497,698.92/x - Step 3: Cross multiply
905,582.62x = 1,249,733.98 × 497,698.92 - Step 4: Simplify right side
905,582.62x = 621,991,252,133.30 - Step 5: Solve for x
x = 621,991,252,133.30/905,582.62 - Step 6: Final answer
x = 686,840.98
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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.