Finding the Fourth Proportional to 767,865.21, 1,060,037.63 and 477,570.35
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Solution
The fourth proportional to 767,865.21, 1,060,037.63 and 477,570.35 is: 659,285.68
Step by Step Solution
- Step 1: Write the proportion equation
767,865.21 : 1,060,037.63 = 477,570.35 : x - Step 2: Convert to fraction form
767,865.21/1,060,037.63 = 477,570.35/x - Step 3: Cross multiply
767,865.21x = 1,060,037.63 × 477,570.35 - Step 4: Simplify right side
767,865.21x = 506,242,534,284.23 - Step 5: Solve for x
x = 506,242,534,284.23/767,865.21 - Step 6: Final answer
x = 659,285.68
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.