Finding the Fourth Proportional to 740,507.67, 1,021,898.84 and 400,975.92
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Solution
The fourth proportional to 740,507.67, 1,021,898.84 and 400,975.92 is: 553,345.82
Step by Step Solution
- Step 1: Write the proportion equation
740,507.67 : 1,021,898.84 = 400,975.92 : x - Step 2: Convert to fraction form
740,507.67/1,021,898.84 = 400,975.92/x - Step 3: Cross multiply
740,507.67x = 1,021,898.84 × 400,975.92 - Step 4: Simplify right side
740,507.67x = 409,756,825,511.05 - Step 5: Solve for x
x = 409,756,825,511.05/740,507.67 - Step 6: Final answer
x = 553,345.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.