Finding the Fourth Proportional to 888,155.28, 1,225,623.96 and 506,305.08
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Solution
The fourth proportional to 888,155.28, 1,225,623.96 and 506,305.08 is: 698,683.72
Step by Step Solution
- Step 1: Write the proportion equation
888,155.28 : 1,225,623.96 = 506,305.08 : x - Step 2: Convert to fraction form
888,155.28/1,225,623.96 = 506,305.08/x - Step 3: Cross multiply
888,155.28x = 1,225,623.96 × 506,305.08 - Step 4: Simplify right side
888,155.28x = 620,539,637,117.72 - Step 5: Solve for x
x = 620,539,637,117.72/888,155.28 - Step 6: Final answer
x = 698,683.72
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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.