Finding the Fourth Proportional to 953,587.79, 1,315,965.14 and 518,013.32
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Solution
The fourth proportional to 953,587.79, 1,315,965.14 and 518,013.32 is: 714,865.99
Step by Step Solution
- Step 1: Write the proportion equation
953,587.79 : 1,315,965.14 = 518,013.32 : x - Step 2: Convert to fraction form
953,587.79/1,315,965.14 = 518,013.32/x - Step 3: Cross multiply
953,587.79x = 1,315,965.14 × 518,013.32 - Step 4: Simplify right side
953,587.79x = 681,687,471,875.51 - Step 5: Solve for x
x = 681,687,471,875.51/953,587.79 - Step 6: Final answer
x = 714,865.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.