Finding the Fourth Proportional to 750,827.96, 1,035,312.30 and 478,464.41
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Solution
The fourth proportional to 750,827.96, 1,035,312.30 and 478,464.41 is: 659,751.79
Step by Step Solution
- Step 1: Write the proportion equation
750,827.96 : 1,035,312.30 = 478,464.41 : x - Step 2: Convert to fraction form
750,827.96/1,035,312.30 = 478,464.41/x - Step 3: Cross multiply
750,827.96x = 1,035,312.30 × 478,464.41 - Step 4: Simplify right side
750,827.96x = 495,360,088,785.24 - Step 5: Solve for x
x = 495,360,088,785.24/750,827.96 - Step 6: Final answer
x = 659,751.79
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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.