Finding the Fourth Proportional to 896,934.84, 1,243,113.08 and 880,138.68
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Solution
The fourth proportional to 896,934.84, 1,243,113.08 and 880,138.68 is: 1,219,834.32
Step by Step Solution
- Step 1: Write the proportion equation
896,934.84 : 1,243,113.08 = 880,138.68 : x - Step 2: Convert to fraction form
896,934.84/1,243,113.08 = 880,138.68/x - Step 3: Cross multiply
896,934.84x = 1,243,113.08 × 880,138.68 - Step 4: Simplify right side
896,934.84x = 1,094,111,900,921.24 - Step 5: Solve for x
x = 1,094,111,900,921.24/896,934.84 - Step 6: Final answer
x = 1,219,834.32
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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.