Finding the Fourth Proportional to 747,624.20, 1,031,685.36 and 425,303.96
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Solution
The fourth proportional to 747,624.20, 1,031,685.36 and 425,303.96 is: 586,898.96
Step by Step Solution
- Step 1: Write the proportion equation
747,624.20 : 1,031,685.36 = 425,303.96 : x - Step 2: Convert to fraction form
747,624.20/1,031,685.36 = 425,303.96/x - Step 3: Cross multiply
747,624.20x = 1,031,685.36 × 425,303.96 - Step 4: Simplify right side
747,624.20x = 438,779,869,082.03 - Step 5: Solve for x
x = 438,779,869,082.03/747,624.20 - Step 6: Final answer
x = 586,898.96
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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.