Finding the Fourth Proportional to 888,448.68, 1,332,650.88 and 415,663.02
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Solution
The fourth proportional to 888,448.68, 1,332,650.88 and 415,663.02 is: 623,484.17
Step by Step Solution
- Step 1: Write the proportion equation
888,448.68 : 1,332,650.88 = 415,663.02 : x - Step 2: Convert to fraction form
888,448.68/1,332,650.88 = 415,663.02/x - Step 3: Cross multiply
888,448.68x = 1,332,650.88 × 415,663.02 - Step 4: Simplify right side
888,448.68x = 553,933,689,386.46 - Step 5: Solve for x
x = 553,933,689,386.46/888,448.68 - Step 6: Final answer
x = 623,484.17
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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.