Finding the Fourth Proportional to 843,314.01, 1,163,800.85 and 461,340.79
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Solution
The fourth proportional to 843,314.01, 1,163,800.85 and 461,340.79 is: 636,665.34
Step by Step Solution
- Step 1: Write the proportion equation
843,314.01 : 1,163,800.85 = 461,340.79 : x - Step 2: Convert to fraction form
843,314.01/1,163,800.85 = 461,340.79/x - Step 3: Cross multiply
843,314.01x = 1,163,800.85 × 461,340.79 - Step 4: Simplify right side
843,314.01x = 536,908,803,541.67 - Step 5: Solve for x
x = 536,908,803,541.67/843,314.01 - Step 6: Final answer
x = 636,665.34
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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.