Finding the Fourth Proportional to 659,475.36, 910,484.21 and 506,220.12
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Solution
The fourth proportional to 659,475.36, 910,484.21 and 506,220.12 is: 698,897.12
Step by Step Solution
- Step 1: Write the proportion equation
659,475.36 : 910,484.21 = 506,220.12 : x - Step 2: Convert to fraction form
659,475.36/910,484.21 = 506,220.12/x - Step 3: Cross multiply
659,475.36x = 910,484.21 × 506,220.12 - Step 4: Simplify right side
659,475.36x = 460,905,427,309.86 - Step 5: Solve for x
x = 460,905,427,309.86/659,475.36 - Step 6: Final answer
x = 698,897.12
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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.