Finding the Fourth Proportional to 785,258.81, 1,178,884.87 and 667,677.49
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Solution
The fourth proportional to 785,258.81, 1,178,884.87 and 667,677.49 is: 1,002,363.65
Step by Step Solution
- Step 1: Write the proportion equation
785,258.81 : 1,178,884.87 = 667,677.49 : x - Step 2: Convert to fraction form
785,258.81/1,178,884.87 = 667,677.49/x - Step 3: Cross multiply
785,258.81x = 1,178,884.87 × 667,677.49 - Step 4: Simplify right side
785,258.81x = 787,114,885,804.65 - Step 5: Solve for x
x = 787,114,885,804.65/785,258.81 - Step 6: Final answer
x = 1,002,363.65
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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.