Finding the Fourth Proportional to 669,309.74, 1,004,363.54 and 242,878.84
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Solution
The fourth proportional to 669,309.74, 1,004,363.54 and 242,878.84 is: 364,463.02
Step by Step Solution
- Step 1: Write the proportion equation
669,309.74 : 1,004,363.54 = 242,878.84 : x - Step 2: Convert to fraction form
669,309.74/1,004,363.54 = 242,878.84/x - Step 3: Cross multiply
669,309.74x = 1,004,363.54 × 242,878.84 - Step 4: Simplify right side
669,309.74x = 243,938,651,533.49 - Step 5: Solve for x
x = 243,938,651,533.49/669,309.74 - Step 6: Final answer
x = 364,463.02
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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.