Finding the Fourth Proportional to 896,981.34, 1,237,779.99 and 514,972.38
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Solution
The fourth proportional to 896,981.34, 1,237,779.99 and 514,972.38 is: 710,630.73
Step by Step Solution
- Step 1: Write the proportion equation
896,981.34 : 1,237,779.99 = 514,972.38 : x - Step 2: Convert to fraction form
896,981.34/1,237,779.99 = 514,972.38/x - Step 3: Cross multiply
896,981.34x = 1,237,779.99 × 514,972.38 - Step 4: Simplify right side
896,981.34x = 637,422,507,366.68 - Step 5: Solve for x
x = 637,422,507,366.68/896,981.34 - Step 6: Final answer
x = 710,630.73
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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.