Finding the Fourth Proportional to 648,498.99, 894,671.40 and 433,298.19
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Solution
The fourth proportional to 648,498.99, 894,671.40 and 433,298.19 is: 597,779.65
Step by Step Solution
- Step 1: Write the proportion equation
648,498.99 : 894,671.40 = 433,298.19 : x - Step 2: Convert to fraction form
648,498.99/894,671.40 = 433,298.19/x - Step 3: Cross multiply
648,498.99x = 894,671.40 × 433,298.19 - Step 4: Simplify right side
648,498.99x = 387,659,498,264.77 - Step 5: Solve for x
x = 387,659,498,264.77/648,498.99 - Step 6: Final answer
x = 597,779.65
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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.