Home / 779,968.41-1,169,804.65-380,207.13

Finding the Fourth Proportional to 779,968.41, 1,169,804.65 and 380,207.13

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Solution

The fourth proportional to 779,968.41, 1,169,804.65 and 380,207.13 is: 570,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,968.41 : 1,169,804.65 = 380,207.13 : x
  2. Step 2: Convert to fraction form
    779,968.41/1,169,804.65 = 380,207.13/x
  3. Step 3: Cross multiply
    779,968.41x = 1,169,804.65 × 380,207.13
  4. Step 4: Simplify right side
    779,968.41x = 444,768,064,012.76
  5. Step 5: Solve for x
    x = 444,768,064,012.76/779,968.41
  6. Step 6: Final answer
    x = 570,238.56

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1.5x scale

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.