Finding the Fourth Proportional to 840,554.80, 1,160,054.97 and 514,058.80
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Solution
The fourth proportional to 840,554.80, 1,160,054.97 and 514,058.80 is: 709,455.79
Step by Step Solution
- Step 1: Write the proportion equation
840,554.80 : 1,160,054.97 = 514,058.80 : x - Step 2: Convert to fraction form
840,554.80/1,160,054.97 = 514,058.80/x - Step 3: Cross multiply
840,554.80x = 1,160,054.97 × 514,058.80 - Step 4: Simplify right side
840,554.80x = 596,336,465,812.24 - Step 5: Solve for x
x = 596,336,465,812.24/840,554.80 - Step 6: Final answer
x = 709,455.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.