Finding the Fourth Proportional to 671,319.52, 1,006,683.84 and 355,703.68
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Solution
The fourth proportional to 671,319.52, 1,006,683.84 and 355,703.68 is: 533,398.98
Step by Step Solution
- Step 1: Write the proportion equation
671,319.52 : 1,006,683.84 = 355,703.68 : x - Step 2: Convert to fraction form
671,319.52/1,006,683.84 = 355,703.68/x - Step 3: Cross multiply
671,319.52x = 1,006,683.84 × 355,703.68 - Step 4: Simplify right side
671,319.52x = 358,081,146,484.53 - Step 5: Solve for x
x = 358,081,146,484.53/671,319.52 - Step 6: Final answer
x = 533,398.98
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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.