Finding the Fourth Proportional to 750,462.42, 1,035,638.81 and 406,298.58
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Solution
The fourth proportional to 750,462.42, 1,035,638.81 and 406,298.58 is: 560,692.40
Step by Step Solution
- Step 1: Write the proportion equation
750,462.42 : 1,035,638.81 = 406,298.58 : x - Step 2: Convert to fraction form
750,462.42/1,035,638.81 = 406,298.58/x - Step 3: Cross multiply
750,462.42x = 1,035,638.81 × 406,298.58 - Step 4: Simplify right side
750,462.42x = 420,778,575,864.40 - Step 5: Solve for x
x = 420,778,575,864.40/750,462.42 - Step 6: Final answer
x = 560,692.40
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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.