Finding the Fourth Proportional to 688,271.18, 950,159.58 and 430,291.46
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Solution
The fourth proportional to 688,271.18, 950,159.58 and 430,291.46 is: 594,018.12
Step by Step Solution
- Step 1: Write the proportion equation
688,271.18 : 950,159.58 = 430,291.46 : x - Step 2: Convert to fraction form
688,271.18/950,159.58 = 430,291.46/x - Step 3: Cross multiply
688,271.18x = 950,159.58 × 430,291.46 - Step 4: Simplify right side
688,271.18x = 408,845,552,911.19 - Step 5: Solve for x
x = 408,845,552,911.19/688,271.18 - Step 6: Final answer
x = 594,018.12
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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.