Finding the Fourth Proportional to 750,461.92, 1,035,638.12 and 406,298.08
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Solution
The fourth proportional to 750,461.92, 1,035,638.12 and 406,298.08 is: 560,691.71
Step by Step Solution
- Step 1: Write the proportion equation
750,461.92 : 1,035,638.12 = 406,298.08 : x - Step 2: Convert to fraction form
750,461.92/1,035,638.12 = 406,298.08/x - Step 3: Cross multiply
750,461.92x = 1,035,638.12 × 406,298.08 - Step 4: Simplify right side
750,461.92x = 420,777,779,730.81 - Step 5: Solve for x
x = 420,777,779,730.81/750,461.92 - Step 6: Final answer
x = 560,691.71
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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.