Home / 740,215.52-1,110,157.12-340,472.32

Finding the Fourth Proportional to 740,215.52, 1,110,157.12 and 340,472.32

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Solution

The fourth proportional to 740,215.52, 1,110,157.12 and 340,472.32 is: 510,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,215.52 : 1,110,157.12 = 340,472.32 : x
  2. Step 2: Convert to fraction form
    740,215.52/1,110,157.12 = 340,472.32/x
  3. Step 3: Cross multiply
    740,215.52x = 1,110,157.12 × 340,472.32
  4. Step 4: Simplify right side
    740,215.52x = 377,977,770,210.92
  5. Step 5: Solve for x
    x = 377,977,770,210.92/740,215.52
  6. Step 6: Final answer
    x = 510,632.05

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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.