Finding the Fourth Proportional to 644,927.84, 888,461.98 and 450,972.84
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Solution
The fourth proportional to 644,927.84, 888,461.98 and 450,972.84 is: 621,266.74
Step by Step Solution
- Step 1: Write the proportion equation
644,927.84 : 888,461.98 = 450,972.84 : x - Step 2: Convert to fraction form
644,927.84/888,461.98 = 450,972.84/x - Step 3: Cross multiply
644,927.84x = 888,461.98 × 450,972.84 - Step 4: Simplify right side
644,927.84x = 400,672,217,893.46 - Step 5: Solve for x
x = 400,672,217,893.46/644,927.84 - Step 6: Final answer
x = 621,266.74
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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.