Finding the Fourth Proportional to 896,412.99, 1,237,013.91 and 488,506.17
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Solution
The fourth proportional to 896,412.99, 1,237,013.91 and 488,506.17 is: 674,118.89
Step by Step Solution
- Step 1: Write the proportion equation
896,412.99 : 1,237,013.91 = 488,506.17 : x - Step 2: Convert to fraction form
896,412.99/1,237,013.91 = 488,506.17/x - Step 3: Cross multiply
896,412.99x = 1,237,013.91 × 488,506.17 - Step 4: Simplify right side
896,412.99x = 604,288,927,410.83 - Step 5: Solve for x
x = 604,288,927,410.83/896,412.99 - Step 6: Final answer
x = 674,118.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.