Finding the Fourth Proportional to 906,720.36, 1,251,256.68 and 498,798.36
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Solution
The fourth proportional to 906,720.36, 1,251,256.68 and 498,798.36 is: 688,332.16
Step by Step Solution
- Step 1: Write the proportion equation
906,720.36 : 1,251,256.68 = 498,798.36 : x - Step 2: Convert to fraction form
906,720.36/1,251,256.68 = 498,798.36/x - Step 3: Cross multiply
906,720.36x = 1,251,256.68 × 498,798.36 - Step 4: Simplify right side
906,720.36x = 624,124,779,923.05 - Step 5: Solve for x
x = 624,124,779,923.05/906,720.36 - Step 6: Final answer
x = 688,332.16
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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.