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Finding the Fourth Proportional to 560,745.14, 840,256.26 and 380,596.28

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Solution

The fourth proportional to 560,745.14, 840,256.26 and 380,596.28 is: 570,309.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,745.14 : 840,256.26 = 380,596.28 : x
  2. Step 2: Convert to fraction form
    560,745.14/840,256.26 = 380,596.28/x
  3. Step 3: Cross multiply
    560,745.14x = 840,256.26 × 380,596.28
  4. Step 4: Simplify right side
    560,745.14x = 319,798,406,802.71
  5. Step 5: Solve for x
    x = 319,798,406,802.71/560,745.14
  6. Step 6: Final answer
    x = 570,309.73

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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.