Home / 942,729.29-1,300,993.56-513,036.65

Finding the Fourth Proportional to 942,729.29, 1,300,993.56 and 513,036.65

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Solution

The fourth proportional to 942,729.29, 1,300,993.56 and 513,036.65 is: 708,005.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,729.29 : 1,300,993.56 = 513,036.65 : x
  2. Step 2: Convert to fraction form
    942,729.29/1,300,993.56 = 513,036.65/x
  3. Step 3: Cross multiply
    942,729.29x = 1,300,993.56 × 513,036.65
  4. Step 4: Simplify right side
    942,729.29x = 667,457,371,189.01
  5. Step 5: Solve for x
    x = 667,457,371,189.01/942,729.29
  6. Step 6: Final answer
    x = 708,005.34

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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.