Finding the Fourth Proportional to 565,134.84, 779,886.77 and 307,011.96
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Solution
The fourth proportional to 565,134.84, 779,886.77 and 307,011.96 is: 423,676.88
Step by Step Solution
- Step 1: Write the proportion equation
565,134.84 : 779,886.77 = 307,011.96 : x - Step 2: Convert to fraction form
565,134.84/779,886.77 = 307,011.96/x - Step 3: Cross multiply
565,134.84x = 779,886.77 × 307,011.96 - Step 4: Simplify right side
565,134.84x = 239,434,564,300.71 - Step 5: Solve for x
x = 239,434,564,300.71/565,134.84 - Step 6: Final answer
x = 423,676.88
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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.