Home / 690,165.36-952,435.80-380,102.76

Finding the Fourth Proportional to 690,165.36, 952,435.80 and 380,102.76

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Solution

The fourth proportional to 690,165.36, 952,435.80 and 380,102.76 is: 524,546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,165.36 : 952,435.80 = 380,102.76 : x
  2. Step 2: Convert to fraction form
    690,165.36/952,435.80 = 380,102.76/x
  3. Step 3: Cross multiply
    690,165.36x = 952,435.80 × 380,102.76
  4. Step 4: Simplify right side
    690,165.36x = 362,023,476,302.81
  5. Step 5: Solve for x
    x = 362,023,476,302.81/690,165.36
  6. Step 6: Final answer
    x = 524,546.00

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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.