Finding the Fourth Proportional to 896,935.84, 1,243,114.46 and 880,139.68
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Solution
The fourth proportional to 896,935.84, 1,243,114.46 and 880,139.68 is: 1,219,835.71
Step by Step Solution
- Step 1: Write the proportion equation
896,935.84 : 1,243,114.46 = 880,139.68 : x - Step 2: Convert to fraction form
896,935.84/1,243,114.46 = 880,139.68/x - Step 3: Cross multiply
896,935.84x = 1,243,114.46 × 880,139.68 - Step 4: Simplify right side
896,935.84x = 1,094,114,363,027.77 - Step 5: Solve for x
x = 1,094,114,363,027.77/896,935.84 - Step 6: Final answer
x = 1,219,835.71
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.