Finding the Fourth Proportional to 708,624.08, 977,868.96 and 402,693.68
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Solution
The fourth proportional to 708,624.08, 977,868.96 and 402,693.68 is: 555,698.94
Step by Step Solution
- Step 1: Write the proportion equation
708,624.08 : 977,868.96 = 402,693.68 : x - Step 2: Convert to fraction form
708,624.08/977,868.96 = 402,693.68/x - Step 3: Cross multiply
708,624.08x = 977,868.96 × 402,693.68 - Step 4: Simplify right side
708,624.08x = 393,781,650,060.17 - Step 5: Solve for x
x = 393,781,650,060.17/708,624.08 - Step 6: Final answer
x = 555,698.94
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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.