Finding the Fourth Proportional to 630,542.17, 870,169.17 and 344,077.93
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Solution
The fourth proportional to 630,542.17, 870,169.17 and 344,077.93 is: 474,838.99
Step by Step Solution
- Step 1: Write the proportion equation
630,542.17 : 870,169.17 = 344,077.93 : x - Step 2: Convert to fraction form
630,542.17/870,169.17 = 344,077.93/x - Step 3: Cross multiply
630,542.17x = 870,169.17 × 344,077.93 - Step 4: Simplify right side
630,542.17x = 299,406,006,763.42 - Step 5: Solve for x
x = 299,406,006,763.42/630,542.17 - Step 6: Final answer
x = 474,838.99
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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.