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Finding the Fourth Proportional to 565,094.75, 779,831.07 and 310,462.34

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Solution

The fourth proportional to 565,094.75, 779,831.07 and 310,462.34 is: 428,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,094.75 : 779,831.07 = 310,462.34 : x
  2. Step 2: Convert to fraction form
    565,094.75/779,831.07 = 310,462.34/x
  3. Step 3: Cross multiply
    565,094.75x = 779,831.07 × 310,462.34
  4. Step 4: Simplify right side
    565,094.75x = 242,108,178,796.90
  5. Step 5: Solve for x
    x = 242,108,178,796.90/565,094.75
  6. Step 6: Final answer
    x = 428,438.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.