Finding the Fourth Proportional to 747,289.05, 1,031,281.68 and 425,045.57
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Solution
The fourth proportional to 747,289.05, 1,031,281.68 and 425,045.57 is: 586,575.85
Step by Step Solution
- Step 1: Write the proportion equation
747,289.05 : 1,031,281.68 = 425,045.57 : x - Step 2: Convert to fraction form
747,289.05/1,031,281.68 = 425,045.57/x - Step 3: Cross multiply
747,289.05x = 1,031,281.68 × 425,045.57 - Step 4: Simplify right side
747,289.05x = 438,341,707,380.93 - Step 5: Solve for x
x = 438,341,707,380.93/747,289.05 - Step 6: Final answer
x = 586,575.85
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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.