Home / 904,669.32-1,248,465.33-491,223.51

Finding the Fourth Proportional to 904,669.32, 1,248,465.33 and 491,223.51

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Solution

The fourth proportional to 904,669.32, 1,248,465.33 and 491,223.51 is: 677,900.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,669.32 : 1,248,465.33 = 491,223.51 : x
  2. Step 2: Convert to fraction form
    904,669.32/1,248,465.33 = 491,223.51/x
  3. Step 3: Cross multiply
    904,669.32x = 1,248,465.33 × 491,223.51
  4. Step 4: Simplify right side
    904,669.32x = 613,275,521,515.91
  5. Step 5: Solve for x
    x = 613,275,521,515.91/904,669.32
  6. Step 6: Final answer
    x = 677,900.21

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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.