Home / 727,717.61-1,091,693.19-307,055.45

Finding the Fourth Proportional to 727,717.61, 1,091,693.19 and 307,055.45

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Solution

The fourth proportional to 727,717.61, 1,091,693.19 and 307,055.45 is: 460,632.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,717.61 : 1,091,693.19 = 307,055.45 : x
  2. Step 2: Convert to fraction form
    727,717.61/1,091,693.19 = 307,055.45/x
  3. Step 3: Cross multiply
    727,717.61x = 1,091,693.19 × 307,055.45
  4. Step 4: Simplify right side
    727,717.61x = 335,210,343,717.39
  5. Step 5: Solve for x
    x = 335,210,343,717.39/727,717.61
  6. Step 6: Final answer
    x = 460,632.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.