Finding the Fourth Proportional to 905,967.80, 1,357,955.14 and 373,198.18
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Solution
The fourth proportional to 905,967.80, 1,357,955.14 and 373,198.18 is: 559,386.75
Step by Step Solution
- Step 1: Write the proportion equation
905,967.80 : 1,357,955.14 = 373,198.18 : x - Step 2: Convert to fraction form
905,967.80/1,357,955.14 = 373,198.18/x - Step 3: Cross multiply
905,967.80x = 1,357,955.14 × 373,198.18 - Step 4: Simplify right side
905,967.80x = 506,786,386,769.65 - Step 5: Solve for x
x = 506,786,386,769.65/905,967.80 - Step 6: Final answer
x = 559,386.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.