Finding the Fourth Proportional to 903,284.69, 1,246,443.05 and 521,434.49
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Solution
The fourth proportional to 903,284.69, 1,246,443.05 and 521,434.49 is: 719,527.74
Step by Step Solution
- Step 1: Write the proportion equation
903,284.69 : 1,246,443.05 = 521,434.49 : x - Step 2: Convert to fraction form
903,284.69/1,246,443.05 = 521,434.49/x - Step 3: Cross multiply
903,284.69x = 1,246,443.05 × 521,434.49 - Step 4: Simplify right side
903,284.69x = 649,938,391,162.17 - Step 5: Solve for x
x = 649,938,391,162.17/903,284.69 - Step 6: Final answer
x = 719,527.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.