Finding the Fourth Proportional to 855,970.84, 1,283,953.12 and 256,929.40
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Solution
The fourth proportional to 855,970.84, 1,283,953.12 and 256,929.40 is: 385,393.16
Step by Step Solution
- Step 1: Write the proportion equation
855,970.84 : 1,283,953.12 = 256,929.40 : x - Step 2: Convert to fraction form
855,970.84/1,283,953.12 = 256,929.40/x - Step 3: Cross multiply
855,970.84x = 1,283,953.12 × 256,929.40 - Step 4: Simplify right side
855,970.84x = 329,885,304,749.73 - Step 5: Solve for x
x = 329,885,304,749.73/855,970.84 - Step 6: Final answer
x = 385,393.16
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.