Finding the Fourth Proportional to 752,898.58, 1,038,703.70 and 430,435.42
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Solution
The fourth proportional to 752,898.58, 1,038,703.70 and 430,435.42 is: 593,831.46
Step by Step Solution
- Step 1: Write the proportion equation
752,898.58 : 1,038,703.70 = 430,435.42 : x - Step 2: Convert to fraction form
752,898.58/1,038,703.70 = 430,435.42/x - Step 3: Cross multiply
752,898.58x = 1,038,703.70 × 430,435.42 - Step 4: Simplify right side
752,898.58x = 447,094,863,365.05 - Step 5: Solve for x
x = 447,094,863,365.05/752,898.58 - Step 6: Final answer
x = 593,831.46
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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.