Finding the Fourth Proportional to 888,673.68, 1,226,368.36 and 480,774.20
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Solution
The fourth proportional to 888,673.68, 1,226,368.36 and 480,774.20 is: 663,467.68
Step by Step Solution
- Step 1: Write the proportion equation
888,673.68 : 1,226,368.36 = 480,774.20 : x - Step 2: Convert to fraction form
888,673.68/1,226,368.36 = 480,774.20/x - Step 3: Cross multiply
888,673.68x = 1,226,368.36 × 480,774.20 - Step 4: Simplify right side
888,673.68x = 589,606,267,184.31 - Step 5: Solve for x
x = 589,606,267,184.31/888,673.68 - Step 6: Final answer
x = 663,467.68
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1.5x scale
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.