Home / 855,309.30-1,180,329.98-462,842.30

Finding the Fourth Proportional to 855,309.30, 1,180,329.98 and 462,842.30

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Solution

The fourth proportional to 855,309.30, 1,180,329.98 and 462,842.30 is: 638,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,309.30 : 1,180,329.98 = 462,842.30 : x
  2. Step 2: Convert to fraction form
    855,309.30/1,180,329.98 = 462,842.30/x
  3. Step 3: Cross multiply
    855,309.30x = 1,180,329.98 × 462,842.30
  4. Step 4: Simplify right side
    855,309.30x = 546,306,634,486.29
  5. Step 5: Solve for x
    x = 546,306,634,486.29/855,309.30
  6. Step 6: Final answer
    x = 638,724.07

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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.