Finding the Fourth Proportional to 747,733.58, 1,031,867.08 and 408,201.83
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Solution
The fourth proportional to 747,733.58, 1,031,867.08 and 408,201.83 is: 563,315.65
Step by Step Solution
- Step 1: Write the proportion equation
747,733.58 : 1,031,867.08 = 408,201.83 : x - Step 2: Convert to fraction form
747,733.58/1,031,867.08 = 408,201.83/x - Step 3: Cross multiply
747,733.58x = 1,031,867.08 × 408,201.83 - Step 4: Simplify right side
747,733.58x = 421,210,025,213.42 - Step 5: Solve for x
x = 421,210,025,213.42/747,733.58 - Step 6: Final answer
x = 563,315.65
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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.