Home / 740,023.24-1,021,235.34-400,491.58

Finding the Fourth Proportional to 740,023.24, 1,021,235.34 and 400,491.58

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Solution

The fourth proportional to 740,023.24, 1,021,235.34 and 400,491.58 is: 552,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,023.24 : 1,021,235.34 = 400,491.58 : x
  2. Step 2: Convert to fraction form
    740,023.24/1,021,235.34 = 400,491.58/x
  3. Step 3: Cross multiply
    740,023.24x = 1,021,235.34 × 400,491.58
  4. Step 4: Simplify right side
    740,023.24x = 408,996,154,868.44
  5. Step 5: Solve for x
    x = 408,996,154,868.44/740,023.24
  6. Step 6: Final answer
    x = 552,680.15

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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.