Finding the Fourth Proportional to 805,346.66, 1,110,465.30 and 514,574.08
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Solution
The fourth proportional to 805,346.66, 1,110,465.30 and 514,574.08 is: 709,528.81
Step by Step Solution
- Step 1: Write the proportion equation
805,346.66 : 1,110,465.30 = 514,574.08 : x - Step 2: Convert to fraction form
805,346.66/1,110,465.30 = 514,574.08/x - Step 3: Cross multiply
805,346.66x = 1,110,465.30 × 514,574.08 - Step 4: Simplify right side
805,346.66x = 571,416,660,119.42 - Step 5: Solve for x
x = 571,416,660,119.42/805,346.66 - Step 6: Final answer
x = 709,528.81
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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.