Finding the Fourth Proportional to 554,465.80, 831,698.70 and 414,497.80
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Solution
The fourth proportional to 554,465.80, 831,698.70 and 414,497.80 is: 621,746.70
Step by Step Solution
- Step 1: Write the proportion equation
554,465.80 : 831,698.70 = 414,497.80 : x - Step 2: Convert to fraction form
554,465.80/831,698.70 = 414,497.80/x - Step 3: Cross multiply
554,465.80x = 831,698.70 × 414,497.80 - Step 4: Simplify right side
554,465.80x = 344,737,281,412.86 - Step 5: Solve for x
x = 344,737,281,412.86/554,465.80 - Step 6: Final answer
x = 621,746.70
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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.