Home / 942,751.05-1,301,008.55-513,042.81

Finding the Fourth Proportional to 942,751.05, 1,301,008.55 and 513,042.81

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Solution

The fourth proportional to 942,751.05, 1,301,008.55 and 513,042.81 is: 708,005.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,751.05 : 1,301,008.55 = 513,042.81 : x
  2. Step 2: Convert to fraction form
    942,751.05/1,301,008.55 = 513,042.81/x
  3. Step 3: Cross multiply
    942,751.05x = 1,301,008.55 × 513,042.81
  4. Step 4: Simplify right side
    942,751.05x = 667,473,079,760.81
  5. Step 5: Solve for x
    x = 667,473,079,760.81/942,751.05
  6. Step 6: Final answer
    x = 708,005.66

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1.5x scale

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.