Finding the Fourth Proportional to 610,668.21, 915,148.98 and 520,239.81
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Solution
The fourth proportional to 610,668.21, 915,148.98 and 520,239.81 is: 779,632.74
Step by Step Solution
- Step 1: Write the proportion equation
610,668.21 : 915,148.98 = 520,239.81 : x - Step 2: Convert to fraction form
610,668.21/915,148.98 = 520,239.81/x - Step 3: Cross multiply
610,668.21x = 915,148.98 × 520,239.81 - Step 4: Simplify right side
610,668.21x = 476,096,931,476.89 - Step 5: Solve for x
x = 476,096,931,476.89/610,668.21 - Step 6: Final answer
x = 779,632.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.