Finding the Fourth Proportional to 570,838.07, 786,838.42 and 387,017.08
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Solution
The fourth proportional to 570,838.07, 786,838.42 and 387,017.08 is: 533,461.09
Step by Step Solution
- Step 1: Write the proportion equation
570,838.07 : 786,838.42 = 387,017.08 : x - Step 2: Convert to fraction form
570,838.07/786,838.42 = 387,017.08/x - Step 3: Cross multiply
570,838.07x = 786,838.42 × 387,017.08 - Step 4: Simplify right side
570,838.07x = 304,519,901,870.94 - Step 5: Solve for x
x = 304,519,901,870.94/570,838.07 - Step 6: Final answer
x = 533,461.09
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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.