Finding the Fourth Proportional to 817,991.02, 1,128,535.35 and 473,638.96
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Solution
The fourth proportional to 817,991.02, 1,128,535.35 and 473,638.96 is: 653,452.54
Step by Step Solution
- Step 1: Write the proportion equation
817,991.02 : 1,128,535.35 = 473,638.96 : x - Step 2: Convert to fraction form
817,991.02/1,128,535.35 = 473,638.96/x - Step 3: Cross multiply
817,991.02x = 1,128,535.35 × 473,638.96 - Step 4: Simplify right side
817,991.02x = 534,518,309,497.24 - Step 5: Solve for x
x = 534,518,309,497.24/817,991.02 - Step 6: Final answer
x = 653,452.54
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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.