Finding the Fourth Proportional to 717,673.92, 1,075,772.12 and 318,502.68
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Solution
The fourth proportional to 717,673.92, 1,075,772.12 and 318,502.68 is: 477,426.16
Step by Step Solution
- Step 1: Write the proportion equation
717,673.92 : 1,075,772.12 = 318,502.68 : x - Step 2: Convert to fraction form
717,673.92/1,075,772.12 = 318,502.68/x - Step 3: Cross multiply
717,673.92x = 1,075,772.12 × 318,502.68 - Step 4: Simplify right side
717,673.92x = 342,636,303,289.28 - Step 5: Solve for x
x = 342,636,303,289.28/717,673.92 - Step 6: Final answer
x = 477,426.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.