Home / 898,488.09-1,239,904.04-490,588.65

Finding the Fourth Proportional to 898,488.09, 1,239,904.04 and 490,588.65

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Solution

The fourth proportional to 898,488.09, 1,239,904.04 and 490,588.65 is: 677,007.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,488.09 : 1,239,904.04 = 490,588.65 : x
  2. Step 2: Convert to fraction form
    898,488.09/1,239,904.04 = 490,588.65/x
  3. Step 3: Cross multiply
    898,488.09x = 1,239,904.04 × 490,588.65
  4. Step 4: Simplify right side
    898,488.09x = 608,282,846,660.20
  5. Step 5: Solve for x
    x = 608,282,846,660.20/898,488.09
  6. Step 6: Final answer
    x = 677,007.13

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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.