Home / 779,970.13-1,169,807.23-380,208.85

Finding the Fourth Proportional to 779,970.13, 1,169,807.23 and 380,208.85

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Solution

The fourth proportional to 779,970.13, 1,169,807.23 and 380,208.85 is: 570,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,970.13 : 1,169,807.23 = 380,208.85 : x
  2. Step 2: Convert to fraction form
    779,970.13/1,169,807.23 = 380,208.85/x
  3. Step 3: Cross multiply
    779,970.13x = 1,169,807.23 × 380,208.85
  4. Step 4: Simplify right side
    779,970.13x = 444,771,053,889.91
  5. Step 5: Solve for x
    x = 444,771,053,889.91/779,970.13
  6. Step 6: Final answer
    x = 570,241.14

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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.