Finding the Fourth Proportional to 893,312.19, 1,232,768.50 and 485,414.08
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Solution
The fourth proportional to 893,312.19, 1,232,768.50 and 485,414.08 is: 669,870.16
Step by Step Solution
- Step 1: Write the proportion equation
893,312.19 : 1,232,768.50 = 485,414.08 : x - Step 2: Convert to fraction form
893,312.19/1,232,768.50 = 485,414.08/x - Step 3: Cross multiply
893,312.19x = 1,232,768.50 × 485,414.08 - Step 4: Simplify right side
893,312.19x = 598,403,182,985.02 - Step 5: Solve for x
x = 598,403,182,985.02/893,312.19 - Step 6: Final answer
x = 669,870.16
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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.