Finding the Fourth Proportional to 974,792.70, 1,461,670.65 and 413,192.70
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Solution
The fourth proportional to 974,792.70, 1,461,670.65 and 413,192.70 is: 619,569.31
Step by Step Solution
- Step 1: Write the proportion equation
974,792.70 : 1,461,670.65 = 413,192.70 : x - Step 2: Convert to fraction form
974,792.70/1,461,670.65 = 413,192.70/x - Step 3: Cross multiply
974,792.70x = 1,461,670.65 × 413,192.70 - Step 4: Simplify right side
974,792.70x = 603,951,642,384.26 - Step 5: Solve for x
x = 603,951,642,384.26/974,792.70 - Step 6: Final answer
x = 619,569.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.