Finding the Fourth Proportional to 943,508.99, 1,302,029.52 and 535,607.27
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Solution
The fourth proportional to 943,508.99, 1,302,029.52 and 535,607.27 is: 739,130.72
Step by Step Solution
- Step 1: Write the proportion equation
943,508.99 : 1,302,029.52 = 535,607.27 : x - Step 2: Convert to fraction form
943,508.99/1,302,029.52 = 535,607.27/x - Step 3: Cross multiply
943,508.99x = 1,302,029.52 × 535,607.27 - Step 4: Simplify right side
943,508.99x = 697,376,476,666.61 - Step 5: Solve for x
x = 697,376,476,666.61/943,508.99 - Step 6: Final answer
x = 739,130.72
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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.