Home / 525,439.76-788,270.46-170,426.21

Finding the Fourth Proportional to 525,439.76, 788,270.46 and 170,426.21

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Solution

The fourth proportional to 525,439.76, 788,270.46 and 170,426.21 is: 255,675.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,439.76 : 788,270.46 = 170,426.21 : x
  2. Step 2: Convert to fraction form
    525,439.76/788,270.46 = 170,426.21/x
  3. Step 3: Cross multiply
    525,439.76x = 788,270.46 × 170,426.21
  4. Step 4: Simplify right side
    525,439.76x = 134,341,946,952.76
  5. Step 5: Solve for x
    x = 134,341,946,952.76/525,439.76
  6. Step 6: Final answer
    x = 255,675.26

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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.