Home / 790,681.67-1,185,458.74-369,727.91

Finding the Fourth Proportional to 790,681.67, 1,185,458.74 and 369,727.91

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Solution

The fourth proportional to 790,681.67, 1,185,458.74 and 369,727.91 is: 554,328.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,681.67 : 1,185,458.74 = 369,727.91 : x
  2. Step 2: Convert to fraction form
    790,681.67/1,185,458.74 = 369,727.91/x
  3. Step 3: Cross multiply
    790,681.67x = 1,185,458.74 × 369,727.91
  4. Step 4: Simplify right side
    790,681.67x = 438,297,182,331.43
  5. Step 5: Solve for x
    x = 438,297,182,331.43/790,681.67
  6. Step 6: Final answer
    x = 554,328.24

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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.