Home / 807,010.34-1,113,631.62-462,828.48

Finding the Fourth Proportional to 807,010.34, 1,113,631.62 and 462,828.48

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Solution

The fourth proportional to 807,010.34, 1,113,631.62 and 462,828.48 is: 638,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,010.34 : 1,113,631.62 = 462,828.48 : x
  2. Step 2: Convert to fraction form
    807,010.34/1,113,631.62 = 462,828.48/x
  3. Step 3: Cross multiply
    807,010.34x = 1,113,631.62 × 462,828.48
  4. Step 4: Simplify right side
    807,010.34x = 515,420,429,964.54
  5. Step 5: Solve for x
    x = 515,420,429,964.54/807,010.34
  6. Step 6: Final answer
    x = 638,678.84

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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.