Finding the Fourth Proportional to 559,955.44, 772,710.60 and 318,206.08
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Solution
The fourth proportional to 559,955.44, 772,710.60 and 318,206.08 is: 439,108.53
Step by Step Solution
- Step 1: Write the proportion equation
559,955.44 : 772,710.60 = 318,206.08 : x - Step 2: Convert to fraction form
559,955.44/772,710.60 = 318,206.08/x - Step 3: Cross multiply
559,955.44x = 772,710.60 × 318,206.08 - Step 4: Simplify right side
559,955.44x = 245,881,211,000.45 - Step 5: Solve for x
x = 245,881,211,000.45/559,955.44 - Step 6: Final answer
x = 439,108.53
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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.