Finding the Fourth Proportional to 607,605.84, 911,405.28 and 247,775.28
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Solution
The fourth proportional to 607,605.84, 911,405.28 and 247,775.28 is: 371,661.50
Step by Step Solution
- Step 1: Write the proportion equation
607,605.84 : 911,405.28 = 247,775.28 : x - Step 2: Convert to fraction form
607,605.84/911,405.28 = 247,775.28/x - Step 3: Cross multiply
607,605.84x = 911,405.28 × 247,775.28 - Step 4: Simplify right side
607,605.84x = 225,823,698,445.48 - Step 5: Solve for x
x = 225,823,698,445.48/607,605.84 - Step 6: Final answer
x = 371,661.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.