Finding the Fourth Proportional to 712,746.88, 983,590.68 and 426,266.98
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Solution
The fourth proportional to 712,746.88, 983,590.68 and 426,266.98 is: 588,248.42
Step by Step Solution
- Step 1: Write the proportion equation
712,746.88 : 983,590.68 = 426,266.98 : x - Step 2: Convert to fraction form
712,746.88/983,590.68 = 426,266.98/x - Step 3: Cross multiply
712,746.88x = 983,590.68 × 426,266.98 - Step 4: Simplify right side
712,746.88x = 419,272,228,719.75 - Step 5: Solve for x
x = 419,272,228,719.75/712,746.88 - Step 6: Final answer
x = 588,248.42
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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.