Finding the Fourth Proportional to 817,627.91, 1,228,437.47 and 772,307.80
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Solution
The fourth proportional to 817,627.91, 1,228,437.47 and 772,307.80 is: 1,160,346.70
Step by Step Solution
- Step 1: Write the proportion equation
817,627.91 : 1,228,437.47 = 772,307.80 : x - Step 2: Convert to fraction form
817,627.91/1,228,437.47 = 772,307.80/x - Step 3: Cross multiply
817,627.91x = 1,228,437.47 × 772,307.80 - Step 4: Simplify right side
817,627.91x = 948,731,838,752.94 - Step 5: Solve for x
x = 948,731,838,752.94/817,627.91 - Step 6: Final answer
x = 1,160,346.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.