Finding the Fourth Proportional to 566,860.76, 782,267.84 and 312,211.92
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Solution
The fourth proportional to 566,860.76, 782,267.84 and 312,211.92 is: 430,852.44
Step by Step Solution
- Step 1: Write the proportion equation
566,860.76 : 782,267.84 = 312,211.92 : x - Step 2: Convert to fraction form
566,860.76/782,267.84 = 312,211.92/x - Step 3: Cross multiply
566,860.76x = 782,267.84 × 312,211.92 - Step 4: Simplify right side
566,860.76x = 244,233,344,280.65 - Step 5: Solve for x
x = 244,233,344,280.65/566,860.76 - Step 6: Final answer
x = 430,852.44
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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.