Home / 899,108.11-1,349,325.83-425,792.71

Finding the Fourth Proportional to 899,108.11, 1,349,325.83 and 425,792.71

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Solution

The fourth proportional to 899,108.11, 1,349,325.83 and 425,792.71 is: 639,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,108.11 : 1,349,325.83 = 425,792.71 : x
  2. Step 2: Convert to fraction form
    899,108.11/1,349,325.83 = 425,792.71/x
  3. Step 3: Cross multiply
    899,108.11x = 1,349,325.83 × 425,792.71
  4. Step 4: Simplify right side
    899,108.11x = 574,533,101,828.70
  5. Step 5: Solve for x
    x = 574,533,101,828.70/899,108.11
  6. Step 6: Final answer
    x = 639,003.36

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Double scale
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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.