Finding the Fourth Proportional to 637,306.33, 879,491.79 and 346,926.79
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Solution
The fourth proportional to 637,306.33, 879,491.79 and 346,926.79 is: 478,763.90
Step by Step Solution
- Step 1: Write the proportion equation
637,306.33 : 879,491.79 = 346,926.79 : x - Step 2: Convert to fraction form
637,306.33/879,491.79 = 346,926.79/x - Step 3: Cross multiply
637,306.33x = 879,491.79 × 346,926.79 - Step 4: Simplify right side
637,306.33x = 305,119,263,536.05 - Step 5: Solve for x
x = 305,119,263,536.05/637,306.33 - Step 6: Final answer
x = 478,763.90
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1.5x scale
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.