Finding the Fourth Proportional to 554,430.70, 831,646.05 and 302,488.30
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Solution
The fourth proportional to 554,430.70, 831,646.05 and 302,488.30 is: 453,732.45
Step by Step Solution
- Step 1: Write the proportion equation
554,430.70 : 831,646.05 = 302,488.30 : x - Step 2: Convert to fraction form
554,430.70/831,646.05 = 302,488.30/x - Step 3: Cross multiply
554,430.70x = 831,646.05 × 302,488.30 - Step 4: Simplify right side
554,430.70x = 251,563,199,866.22 - Step 5: Solve for x
x = 251,563,199,866.22/554,430.70 - Step 6: Final answer
x = 453,732.45
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Similar ratio
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1.5x scale
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.