Finding the Fourth Proportional to 761,386.19, 1,142,037.24 and 255,894.96
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Solution
The fourth proportional to 761,386.19, 1,142,037.24 and 255,894.96 is: 383,828.31
Step by Step Solution
- Step 1: Write the proportion equation
761,386.19 : 1,142,037.24 = 255,894.96 : x - Step 2: Convert to fraction form
761,386.19/1,142,037.24 = 255,894.96/x - Step 3: Cross multiply
761,386.19x = 1,142,037.24 × 255,894.96 - Step 4: Simplify right side
761,386.19x = 292,241,573,848.31 - Step 5: Solve for x
x = 292,241,573,848.31/761,386.19 - Step 6: Final answer
x = 383,828.31
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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.