Finding the Fourth Proportional to 558,437.02, 831,339.46 and 555,115.53
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Solution
The fourth proportional to 558,437.02, 831,339.46 and 555,115.53 is: 826,394.79
Step by Step Solution
- Step 1: Write the proportion equation
558,437.02 : 831,339.46 = 555,115.53 : x - Step 2: Convert to fraction form
558,437.02/831,339.46 = 555,115.53/x - Step 3: Cross multiply
558,437.02x = 831,339.46 × 555,115.53 - Step 4: Simplify right side
558,437.02x = 461,489,442,178.91 - Step 5: Solve for x
x = 461,489,442,178.91/558,437.02 - Step 6: Final answer
x = 826,394.79
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.