Finding the Fourth Proportional to 781,416.42, 1,170,607.95 and 575,877.75
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Solution
The fourth proportional to 781,416.42, 1,170,607.95 and 575,877.75 is: 862,698.88
Step by Step Solution
- Step 1: Write the proportion equation
781,416.42 : 1,170,607.95 = 575,877.75 : x - Step 2: Convert to fraction form
781,416.42/1,170,607.95 = 575,877.75/x - Step 3: Cross multiply
781,416.42x = 1,170,607.95 × 575,877.75 - Step 4: Simplify right side
781,416.42x = 674,127,072,378.11 - Step 5: Solve for x
x = 674,127,072,378.11/781,416.42 - Step 6: Final answer
x = 862,698.88
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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.