Finding the Fourth Proportional to 688,365.11, 949,612.74 and 446,723.48
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Solution
The fourth proportional to 688,365.11, 949,612.74 and 446,723.48 is: 616,263.52
Step by Step Solution
- Step 1: Write the proportion equation
688,365.11 : 949,612.74 = 446,723.48 : x - Step 2: Convert to fraction form
688,365.11/949,612.74 = 446,723.48/x - Step 3: Cross multiply
688,365.11x = 949,612.74 × 446,723.48 - Step 4: Simplify right side
688,365.11x = 424,214,307,865.14 - Step 5: Solve for x
x = 424,214,307,865.14/688,365.11 - Step 6: Final answer
x = 616,263.52
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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.