Home / 807,051.06-1,113,733.80-462,900.42

Finding the Fourth Proportional to 807,051.06, 1,113,733.80 and 462,900.42

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Solution

The fourth proportional to 807,051.06, 1,113,733.80 and 462,900.42 is: 638,804.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,051.06 : 1,113,733.80 = 462,900.42 : x
  2. Step 2: Convert to fraction form
    807,051.06/1,113,733.80 = 462,900.42/x
  3. Step 3: Cross multiply
    807,051.06x = 1,113,733.80 × 462,900.42
  4. Step 4: Simplify right side
    807,051.06x = 515,547,843,788.20
  5. Step 5: Solve for x
    x = 515,547,843,788.20/807,051.06
  6. Step 6: Final answer
    x = 638,804.49

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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.