Home / 486,255.77-671,041.58-268,490.03

Finding the Fourth Proportional to 486,255.77, 671,041.58 and 268,490.03

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Solution

The fourth proportional to 486,255.77, 671,041.58 and 268,490.03 is: 370,520.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,255.77 : 671,041.58 = 268,490.03 : x
  2. Step 2: Convert to fraction form
    486,255.77/671,041.58 = 268,490.03/x
  3. Step 3: Cross multiply
    486,255.77x = 671,041.58 × 268,490.03
  4. Step 4: Simplify right side
    486,255.77x = 180,167,969,247.79
  5. Step 5: Solve for x
    x = 180,167,969,247.79/486,255.77
  6. Step 6: Final answer
    x = 370,520.99

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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.