Home / 779,487.23-1,169,263.61-380,463.62

Finding the Fourth Proportional to 779,487.23, 1,169,263.61 and 380,463.62

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Solution

The fourth proportional to 779,487.23, 1,169,263.61 and 380,463.62 is: 570,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,487.23 : 1,169,263.61 = 380,463.62 : x
  2. Step 2: Convert to fraction form
    779,487.23/1,169,263.61 = 380,463.62/x
  3. Step 3: Cross multiply
    779,487.23x = 1,169,263.61 × 380,463.62
  4. Step 4: Simplify right side
    779,487.23x = 444,862,261,613.08
  5. Step 5: Solve for x
    x = 444,862,261,613.08/779,487.23
  6. Step 6: Final answer
    x = 570,711.42

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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.