Home / 553,007.10-828,739.50-417,960.30

Finding the Fourth Proportional to 553,007.10, 828,739.50 and 417,960.30

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Solution

The fourth proportional to 553,007.10, 828,739.50 and 417,960.30 is: 626,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,007.10 : 828,739.50 = 417,960.30 : x
  2. Step 2: Convert to fraction form
    553,007.10/828,739.50 = 417,960.30/x
  3. Step 3: Cross multiply
    553,007.10x = 828,739.50 × 417,960.30
  4. Step 4: Simplify right side
    553,007.10x = 346,380,213,933.30
  5. Step 5: Solve for x
    x = 346,380,213,933.30/553,007.10
  6. Step 6: Final answer
    x = 626,357.63

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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.