Home / 700,700.29-966,966.37-378,410.36

Finding the Fourth Proportional to 700,700.29, 966,966.37 and 378,410.36

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Solution

The fourth proportional to 700,700.29, 966,966.37 and 378,410.36 is: 522,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,700.29 : 966,966.37 = 378,410.36 : x
  2. Step 2: Convert to fraction form
    700,700.29/966,966.37 = 378,410.36/x
  3. Step 3: Cross multiply
    700,700.29x = 966,966.37 × 378,410.36
  4. Step 4: Simplify right side
    700,700.29x = 365,910,091,837.92
  5. Step 5: Solve for x
    x = 365,910,091,837.92/700,700.29
  6. Step 6: Final answer
    x = 522,206.28

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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.