Finding the Fourth Proportional to 817,332.26, 1,127,924.12 and 454,771.40
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Solution
The fourth proportional to 817,332.26, 1,127,924.12 and 454,771.40 is: 627,587.65
Step by Step Solution
- Step 1: Write the proportion equation
817,332.26 : 1,127,924.12 = 454,771.40 : x - Step 2: Convert to fraction form
817,332.26/1,127,924.12 = 454,771.40/x - Step 3: Cross multiply
817,332.26x = 1,127,924.12 × 454,771.40 - Step 4: Simplify right side
817,332.26x = 512,947,626,643.48 - Step 5: Solve for x
x = 512,947,626,643.48/817,332.26 - Step 6: Final answer
x = 627,587.65
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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.