Finding the Fourth Proportional to 867,624.12, 1,197,312.95 and 499,966.19
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Solution
The fourth proportional to 867,624.12, 1,197,312.95 and 499,966.19 is: 689,948.53
Step by Step Solution
- Step 1: Write the proportion equation
867,624.12 : 1,197,312.95 = 499,966.19 : x - Step 2: Convert to fraction form
867,624.12/1,197,312.95 = 499,966.19/x - Step 3: Cross multiply
867,624.12x = 1,197,312.95 × 499,966.19 - Step 4: Simplify right side
867,624.12x = 598,615,985,362.77 - Step 5: Solve for x
x = 598,615,985,362.77/867,624.12 - Step 6: Final answer
x = 689,948.53
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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.