Home / 761,025.24-1,050,212.52-421,493.40

Finding the Fourth Proportional to 761,025.24, 1,050,212.52 and 421,493.40

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Solution

The fourth proportional to 761,025.24, 1,050,212.52 and 421,493.40 is: 581,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,025.24 : 1,050,212.52 = 421,493.40 : x
  2. Step 2: Convert to fraction form
    761,025.24/1,050,212.52 = 421,493.40/x
  3. Step 3: Cross multiply
    761,025.24x = 1,050,212.52 × 421,493.40
  4. Step 4: Simplify right side
    761,025.24x = 442,657,645,777.37
  5. Step 5: Solve for x
    x = 442,657,645,777.37/761,025.24
  6. Step 6: Final answer
    x = 581,659.61

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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.