Finding the Fourth Proportional to 996,935.70, 1,495,403.55 and 577,031.70
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Solution
The fourth proportional to 996,935.70, 1,495,403.55 and 577,031.70 is: 865,547.55
Step by Step Solution
- Step 1: Write the proportion equation
996,935.70 : 1,495,403.55 = 577,031.70 : x - Step 2: Convert to fraction form
996,935.70/1,495,403.55 = 577,031.70/x - Step 3: Cross multiply
996,935.70x = 1,495,403.55 × 577,031.70 - Step 4: Simplify right side
996,935.70x = 862,895,252,642.54 - Step 5: Solve for x
x = 862,895,252,642.54/996,935.70 - Step 6: Final answer
x = 865,547.55
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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.