Finding the Fourth Proportional to 723,660.44, 998,491.50 and 417,671.80
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Solution
The fourth proportional to 723,660.44, 998,491.50 and 417,671.80 is: 576,294.79
Step by Step Solution
- Step 1: Write the proportion equation
723,660.44 : 998,491.50 = 417,671.80 : x - Step 2: Convert to fraction form
723,660.44/998,491.50 = 417,671.80/x - Step 3: Cross multiply
723,660.44x = 998,491.50 × 417,671.80 - Step 4: Simplify right side
723,660.44x = 417,041,742,089.70 - Step 5: Solve for x
x = 417,041,742,089.70/723,660.44 - Step 6: Final answer
x = 576,294.79
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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.