Finding the Fourth Proportional to 808,322.08, 1,115,585.04 and 464,265.76
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Solution
The fourth proportional to 808,322.08, 1,115,585.04 and 464,265.76 is: 640,744.51
Step by Step Solution
- Step 1: Write the proportion equation
808,322.08 : 1,115,585.04 = 464,265.76 : x - Step 2: Convert to fraction form
808,322.08/1,115,585.04 = 464,265.76/x - Step 3: Cross multiply
808,322.08x = 1,115,585.04 × 464,265.76 - Step 4: Simplify right side
808,322.08x = 517,927,936,440.23 - Step 5: Solve for x
x = 517,927,936,440.23/808,322.08 - Step 6: Final answer
x = 640,744.51
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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.