Finding the Fourth Proportional to 678,052.84, 1,017,079.12 and 528,405.08
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Solution
The fourth proportional to 678,052.84, 1,017,079.12 and 528,405.08 is: 792,607.51
Step by Step Solution
- Step 1: Write the proportion equation
678,052.84 : 1,017,079.12 = 528,405.08 : x - Step 2: Convert to fraction form
678,052.84/1,017,079.12 = 528,405.08/x - Step 3: Cross multiply
678,052.84x = 1,017,079.12 × 528,405.08 - Step 4: Simplify right side
678,052.84x = 537,429,773,769.93 - Step 5: Solve for x
x = 537,429,773,769.93/678,052.84 - Step 6: Final answer
x = 792,607.51
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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.