Home / 740,309.32-1,110,921-290,951.20

Finding the Fourth Proportional to 740,309.32, 1,110,921 and 290,951.20

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Solution

The fourth proportional to 740,309.32, 1,110,921 and 290,951.20 is: 436,606.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,309.32 : 1,110,921 = 290,951.20 : x
  2. Step 2: Convert to fraction form
    740,309.32/1,110,921 = 290,951.20/x
  3. Step 3: Cross multiply
    740,309.32x = 1,110,921 × 290,951.20
  4. Step 4: Simplify right side
    740,309.32x = 323,223,798,055.20
  5. Step 5: Solve for x
    x = 323,223,798,055.20/740,309.32
  6. Step 6: Final answer
    x = 436,606.41

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1.5x scale

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.