Finding the Fourth Proportional to 608,603.60, 912,905.40 and 514,125.20
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Solution
The fourth proportional to 608,603.60, 912,905.40 and 514,125.20 is: 771,187.80
Step by Step Solution
- Step 1: Write the proportion equation
608,603.60 : 912,905.40 = 514,125.20 : x - Step 2: Convert to fraction form
608,603.60/912,905.40 = 514,125.20/x - Step 3: Cross multiply
608,603.60x = 912,905.40 × 514,125.20 - Step 4: Simplify right side
608,603.60x = 469,347,671,356.08 - Step 5: Solve for x
x = 469,347,671,356.08/608,603.60 - Step 6: Final answer
x = 771,187.80
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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.