Home / 779,820.63-1,169,842.39-240,122.49

Finding the Fourth Proportional to 779,820.63, 1,169,842.39 and 240,122.49

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Solution

The fourth proportional to 779,820.63, 1,169,842.39 and 240,122.49 is: 360,218.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,820.63 : 1,169,842.39 = 240,122.49 : x
  2. Step 2: Convert to fraction form
    779,820.63/1,169,842.39 = 240,122.49/x
  3. Step 3: Cross multiply
    779,820.63x = 1,169,842.39 × 240,122.49
  4. Step 4: Simplify right side
    779,820.63x = 280,905,466,994.05
  5. Step 5: Solve for x
    x = 280,905,466,994.05/779,820.63
  6. Step 6: Final answer
    x = 360,218.05

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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.