Home / 506,382.03-698,798.75-280,027.53

Finding the Fourth Proportional to 506,382.03, 698,798.75 and 280,027.53

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Solution

The fourth proportional to 506,382.03, 698,798.75 and 280,027.53 is: 386,433.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,382.03 : 698,798.75 = 280,027.53 : x
  2. Step 2: Convert to fraction form
    506,382.03/698,798.75 = 280,027.53/x
  3. Step 3: Cross multiply
    506,382.03x = 698,798.75 × 280,027.53
  4. Step 4: Simplify right side
    506,382.03x = 195,682,886,529.45
  5. Step 5: Solve for x
    x = 195,682,886,529.45/506,382.03
  6. Step 6: Final answer
    x = 386,433.32

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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.