Finding the Fourth Proportional to 710,613.62, 980,746.81 and 452,408.08
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Solution
The fourth proportional to 710,613.62, 980,746.81 and 452,408.08 is: 624,386.82
Step by Step Solution
- Step 1: Write the proportion equation
710,613.62 : 980,746.81 = 452,408.08 : x - Step 2: Convert to fraction form
710,613.62/980,746.81 = 452,408.08/x - Step 3: Cross multiply
710,613.62x = 980,746.81 × 452,408.08 - Step 4: Simplify right side
710,613.62x = 443,697,781,278.23 - Step 5: Solve for x
x = 443,697,781,278.23/710,613.62 - Step 6: Final answer
x = 624,386.82
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1.5x scale
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.