Home / 525,434.76-788,262.95-170,421.21

Finding the Fourth Proportional to 525,434.76, 788,262.95 and 170,421.21

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Solution

The fourth proportional to 525,434.76, 788,262.95 and 170,421.21 is: 255,667.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,434.76 : 788,262.95 = 170,421.21 : x
  2. Step 2: Convert to fraction form
    525,434.76/788,262.95 = 170,421.21/x
  3. Step 3: Cross multiply
    525,434.76x = 788,262.95 × 170,421.21
  4. Step 4: Simplify right side
    525,434.76x = 134,336,726,163.22
  5. Step 5: Solve for x
    x = 134,336,726,163.22/525,434.76
  6. Step 6: Final answer
    x = 255,667.76

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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.