Home / 409,280.63-564,785.33-225,513.50

Finding the Fourth Proportional to 409,280.63, 564,785.33 and 225,513.50

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Solution

The fourth proportional to 409,280.63, 564,785.33 and 225,513.50 is: 311,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,280.63 : 564,785.33 = 225,513.50 : x
  2. Step 2: Convert to fraction form
    409,280.63/564,785.33 = 225,513.50/x
  3. Step 3: Cross multiply
    409,280.63x = 564,785.33 × 225,513.50
  4. Step 4: Simplify right side
    409,280.63x = 127,366,712,565.46
  5. Step 5: Solve for x
    x = 127,366,712,565.46/409,280.63
  6. Step 6: Final answer
    x = 311,196.54

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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.