Finding the Fourth Proportional to 559,557.99, 772,308.99 and 330,029.46
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Solution
The fourth proportional to 559,557.99, 772,308.99 and 330,029.46 is: 455,510.82
Step by Step Solution
- Step 1: Write the proportion equation
559,557.99 : 772,308.99 = 330,029.46 : x - Step 2: Convert to fraction form
559,557.99/772,308.99 = 330,029.46/x - Step 3: Cross multiply
559,557.99x = 772,308.99 × 330,029.46 - Step 4: Simplify right side
559,557.99x = 254,884,718,922.85 - Step 5: Solve for x
x = 254,884,718,922.85/559,557.99 - Step 6: Final answer
x = 455,510.82
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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.