Finding the Fourth Proportional to 1,020,875.12, 1,531,375.68 and 310,955.36
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Solution
The fourth proportional to 1,020,875.12, 1,531,375.68 and 310,955.36 is: 466,452.23
Step by Step Solution
- Step 1: Write the proportion equation
1,020,875.12 : 1,531,375.68 = 310,955.36 : x - Step 2: Convert to fraction form
1,020,875.12/1,531,375.68 = 310,955.36/x - Step 3: Cross multiply
1,020,875.12x = 1,531,375.68 × 310,955.36 - Step 4: Simplify right side
1,020,875.12x = 476,189,475,869.65 - Step 5: Solve for x
x = 476,189,475,869.65/1,020,875.12 - Step 6: Final answer
x = 466,452.23
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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.