Finding the Fourth Proportional to 679,235.84, 937,366.58 and 373,306.72
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Solution
The fourth proportional to 679,235.84, 937,366.58 and 373,306.72 is: 515,174.88
Step by Step Solution
- Step 1: Write the proportion equation
679,235.84 : 937,366.58 = 373,306.72 : x - Step 2: Convert to fraction form
679,235.84/937,366.58 = 373,306.72/x - Step 3: Cross multiply
679,235.84x = 937,366.58 × 373,306.72 - Step 4: Simplify right side
679,235.84x = 349,925,243,417.42 - Step 5: Solve for x
x = 349,925,243,417.42/679,235.84 - Step 6: Final answer
x = 515,174.88
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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.