Finding the Fourth Proportional to 752,898.21, 1,038,703.19 and 430,435.05
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Solution
The fourth proportional to 752,898.21, 1,038,703.19 and 430,435.05 is: 593,830.95
Step by Step Solution
- Step 1: Write the proportion equation
752,898.21 : 1,038,703.19 = 430,435.05 : x - Step 2: Convert to fraction form
752,898.21/1,038,703.19 = 430,435.05/x - Step 3: Cross multiply
752,898.21x = 1,038,703.19 × 430,435.05 - Step 4: Simplify right side
752,898.21x = 447,094,259,522.81 - Step 5: Solve for x
x = 447,094,259,522.81/752,898.21 - Step 6: Final answer
x = 593,830.95
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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.