Finding the Fourth Proportional to 935,875.62, 1,291,508.35 and 506,155.74
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Solution
The fourth proportional to 935,875.62, 1,291,508.35 and 506,155.74 is: 698,494.92
Step by Step Solution
- Step 1: Write the proportion equation
935,875.62 : 1,291,508.35 = 506,155.74 : x - Step 2: Convert to fraction form
935,875.62/1,291,508.35 = 506,155.74/x - Step 3: Cross multiply
935,875.62x = 1,291,508.35 × 506,155.74 - Step 4: Simplify right side
935,875.62x = 653,704,364,610.43 - Step 5: Solve for x
x = 653,704,364,610.43/935,875.62 - Step 6: Final answer
x = 698,494.92
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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.