Finding the Fourth Proportional to 749,787.84, 1,124,686.08 and 306,555.84
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Solution
The fourth proportional to 749,787.84, 1,124,686.08 and 306,555.84 is: 459,835.53
Step by Step Solution
- Step 1: Write the proportion equation
749,787.84 : 1,124,686.08 = 306,555.84 : x - Step 2: Convert to fraction form
749,787.84/1,124,686.08 = 306,555.84/x - Step 3: Cross multiply
749,787.84x = 1,124,686.08 × 306,555.84 - Step 4: Simplify right side
749,787.84x = 344,779,085,990.71 - Step 5: Solve for x
x = 344,779,085,990.71/749,787.84 - Step 6: Final answer
x = 459,835.53
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1.5x scale
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.