Home / 859,673.12-1,185,980.87-536,822.71

Finding the Fourth Proportional to 859,673.12, 1,185,980.87 and 536,822.71

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Solution

The fourth proportional to 859,673.12, 1,185,980.87 and 536,822.71 is: 740,585.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,673.12 : 1,185,980.87 = 536,822.71 : x
  2. Step 2: Convert to fraction form
    859,673.12/1,185,980.87 = 536,822.71/x
  3. Step 3: Cross multiply
    859,673.12x = 1,185,980.87 × 536,822.71
  4. Step 4: Simplify right side
    859,673.12x = 636,661,463,018.66
  5. Step 5: Solve for x
    x = 636,661,463,018.66/859,673.12
  6. Step 6: Final answer
    x = 740,585.52

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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.