Finding the Fourth Proportional to 997,867.78, 1,497,747.98 and 617,638.36
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Solution
The fourth proportional to 997,867.78, 1,497,747.98 and 617,638.36 is: 927,043.26
Step by Step Solution
- Step 1: Write the proportion equation
997,867.78 : 1,497,747.98 = 617,638.36 : x - Step 2: Convert to fraction form
997,867.78/1,497,747.98 = 617,638.36/x - Step 3: Cross multiply
997,867.78x = 1,497,747.98 × 617,638.36 - Step 4: Simplify right side
997,867.78x = 925,066,602,972.32 - Step 5: Solve for x
x = 925,066,602,972.32/997,867.78 - Step 6: Final answer
x = 927,043.26
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.