Home / 779,970.57-1,169,807.88-380,209.29

Finding the Fourth Proportional to 779,970.57, 1,169,807.88 and 380,209.29

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Solution

The fourth proportional to 779,970.57, 1,169,807.88 and 380,209.29 is: 570,241.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,970.57 : 1,169,807.88 = 380,209.29 : x
  2. Step 2: Convert to fraction form
    779,970.57/1,169,807.88 = 380,209.29/x
  3. Step 3: Cross multiply
    779,970.57x = 1,169,807.88 × 380,209.29
  4. Step 4: Simplify right side
    779,970.57x = 444,771,823,491.21
  5. Step 5: Solve for x
    x = 444,771,823,491.21/779,970.57
  6. Step 6: Final answer
    x = 570,241.80

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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.