Finding the Fourth Proportional to 1,498,621.40, 2,248,223.70 and 433,698.20
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Solution
The fourth proportional to 1,498,621.40, 2,248,223.70 and 433,698.20 is: 650,631.69
Step by Step Solution
- Step 1: Write the proportion equation
1,498,621.40 : 2,248,223.70 = 433,698.20 : x - Step 2: Convert to fraction form
1,498,621.40/2,248,223.70 = 433,698.20/x - Step 3: Cross multiply
1,498,621.40x = 2,248,223.70 × 433,698.20 - Step 4: Simplify right side
1,498,621.40x = 975,050,571,887.34 - Step 5: Solve for x
x = 975,050,571,887.34/1,498,621.40 - Step 6: Final answer
x = 650,631.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.