Finding the Fourth Proportional to 865,876.24, 1,298,936.28 and 266,885.68
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Solution
The fourth proportional to 865,876.24, 1,298,936.28 and 266,885.68 is: 400,366.10
Step by Step Solution
- Step 1: Write the proportion equation
865,876.24 : 1,298,936.28 = 266,885.68 : x - Step 2: Convert to fraction form
865,876.24/1,298,936.28 = 266,885.68/x - Step 3: Cross multiply
865,876.24x = 1,298,936.28 × 266,885.68 - Step 4: Simplify right side
865,876.24x = 346,667,492,364.47 - Step 5: Solve for x
x = 346,667,492,364.47/865,876.24 - Step 6: Final answer
x = 400,366.10
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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.