Finding the Fourth Proportional to 623,387.01, 859,875.17 and 432,330.69
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Solution
The fourth proportional to 623,387.01, 859,875.17 and 432,330.69 is: 596,339.70
Step by Step Solution
- Step 1: Write the proportion equation
623,387.01 : 859,875.17 = 432,330.69 : x - Step 2: Convert to fraction form
623,387.01/859,875.17 = 432,330.69/x - Step 3: Cross multiply
623,387.01x = 859,875.17 × 432,330.69 - Step 4: Simplify right side
623,387.01x = 371,750,423,398.31 - Step 5: Solve for x
x = 371,750,423,398.31/623,387.01 - Step 6: Final answer
x = 596,339.70
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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.