Finding the Fourth Proportional to 691,337.96, 1,031,125.50 and 679,375.16
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Solution
The fourth proportional to 691,337.96, 1,031,125.50 and 679,375.16 is: 1,013,283.07
Step by Step Solution
- Step 1: Write the proportion equation
691,337.96 : 1,031,125.50 = 679,375.16 : x - Step 2: Convert to fraction form
691,337.96/1,031,125.50 = 679,375.16/x - Step 3: Cross multiply
691,337.96x = 1,031,125.50 × 679,375.16 - Step 4: Simplify right side
691,337.96x = 700,521,048,145.70 - Step 5: Solve for x
x = 700,521,048,145.70/691,337.96 - Step 6: Final answer
x = 1,013,283.07
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.