Home / 426,945.76-589,456.88-266,037.20

Finding the Fourth Proportional to 426,945.76, 589,456.88 and 266,037.20

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Solution

The fourth proportional to 426,945.76, 589,456.88 and 266,037.20 is: 367,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,945.76 : 589,456.88 = 266,037.20 : x
  2. Step 2: Convert to fraction form
    426,945.76/589,456.88 = 266,037.20/x
  3. Step 3: Cross multiply
    426,945.76x = 589,456.88 × 266,037.20
  4. Step 4: Simplify right side
    426,945.76x = 156,817,457,875.94
  5. Step 5: Solve for x
    x = 156,817,457,875.94/426,945.76
  6. Step 6: Final answer
    x = 367,300.66

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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.