Finding the Fourth Proportional to 750,818.92, 1,035,299.86 and 478,455.40
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Solution
The fourth proportional to 750,818.92, 1,035,299.86 and 478,455.40 is: 659,739.38
Step by Step Solution
- Step 1: Write the proportion equation
750,818.92 : 1,035,299.86 = 478,455.40 : x - Step 2: Convert to fraction form
750,818.92/1,035,299.86 = 478,455.40/x - Step 3: Cross multiply
750,818.92x = 1,035,299.86 × 478,455.40 - Step 4: Simplify right side
750,818.92x = 495,344,808,636.24 - Step 5: Solve for x
x = 495,344,808,636.24/750,818.92 - Step 6: Final answer
x = 659,739.38
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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.