Finding the Fourth Proportional to 804,920.74, 1,110,795.90 and 442,374.46
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Solution
The fourth proportional to 804,920.74, 1,110,795.90 and 442,374.46 is: 610,479.66
Step by Step Solution
- Step 1: Write the proportion equation
804,920.74 : 1,110,795.90 = 442,374.46 : x - Step 2: Convert to fraction form
804,920.74/1,110,795.90 = 442,374.46/x - Step 3: Cross multiply
804,920.74x = 1,110,795.90 × 442,374.46 - Step 4: Simplify right side
804,920.74x = 491,387,736,432.71 - Step 5: Solve for x
x = 491,387,736,432.71/804,920.74 - Step 6: Final answer
x = 610,479.66
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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.