Finding the Fourth Proportional to 507,838.80, 761,884.14 and 358,371.12
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Solution
The fourth proportional to 507,838.80, 761,884.14 and 358,371.12 is: 537,645.55
Step by Step Solution
- Step 1: Write the proportion equation
507,838.80 : 761,884.14 = 358,371.12 : x - Step 2: Convert to fraction form
507,838.80/761,884.14 = 358,371.12/x - Step 3: Cross multiply
507,838.80x = 761,884.14 × 358,371.12 - Step 4: Simplify right side
507,838.80x = 273,037,272,562.04 - Step 5: Solve for x
x = 273,037,272,562.04/507,838.80 - Step 6: Final answer
x = 537,645.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.