Home / 739,762.11-1,020,867.44-400,223.07

Finding the Fourth Proportional to 739,762.11, 1,020,867.44 and 400,223.07

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Solution

The fourth proportional to 739,762.11, 1,020,867.44 and 400,223.07 is: 552,305.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,762.11 : 1,020,867.44 = 400,223.07 : x
  2. Step 2: Convert to fraction form
    739,762.11/1,020,867.44 = 400,223.07/x
  3. Step 3: Cross multiply
    739,762.11x = 1,020,867.44 × 400,223.07
  4. Step 4: Simplify right side
    739,762.11x = 408,574,698,898.73
  5. Step 5: Solve for x
    x = 408,574,698,898.73/739,762.11
  6. Step 6: Final answer
    x = 552,305.52

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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.