Finding the Fourth Proportional to 890,124.68, 1,228,373.34 and 527,726
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Solution
The fourth proportional to 890,124.68, 1,228,373.34 and 527,726 is: 728,262.64
Step by Step Solution
- Step 1: Write the proportion equation
890,124.68 : 1,228,373.34 = 527,726 : x - Step 2: Convert to fraction form
890,124.68/1,228,373.34 = 527,726/x - Step 3: Cross multiply
890,124.68x = 1,228,373.34 × 527,726 - Step 4: Simplify right side
890,124.68x = 648,244,549,224.84 - Step 5: Solve for x
x = 648,244,549,224.84/890,124.68 - Step 6: Final answer
x = 728,262.64
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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.