Finding the Fourth Proportional to 761,756.04, 1,048,830.12 and 646,795.08
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Solution
The fourth proportional to 761,756.04, 1,048,830.12 and 646,795.08 is: 890,545.17
Step by Step Solution
- Step 1: Write the proportion equation
761,756.04 : 1,048,830.12 = 646,795.08 : x - Step 2: Convert to fraction form
761,756.04/1,048,830.12 = 646,795.08/x - Step 3: Cross multiply
761,756.04x = 1,048,830.12 × 646,795.08 - Step 4: Simplify right side
761,756.04x = 678,378,161,371.81 - Step 5: Solve for x
x = 678,378,161,371.81/761,756.04 - Step 6: Final answer
x = 890,545.17
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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.