Finding the Fourth Proportional to 657,482.80, 986,224.20 and 545,289.70
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Solution
The fourth proportional to 657,482.80, 986,224.20 and 545,289.70 is: 817,934.55
Step by Step Solution
- Step 1: Write the proportion equation
657,482.80 : 986,224.20 = 545,289.70 : x - Step 2: Convert to fraction form
657,482.80/986,224.20 = 545,289.70/x - Step 3: Cross multiply
657,482.80x = 986,224.20 × 545,289.70 - Step 4: Simplify right side
657,482.80x = 537,777,898,150.74 - Step 5: Solve for x
x = 537,777,898,150.74/657,482.80 - Step 6: Final answer
x = 817,934.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.