Home / 610,831.40-916,439.10-295,298.60

Finding the Fourth Proportional to 610,831.40, 916,439.10 and 295,298.60

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Solution

The fourth proportional to 610,831.40, 916,439.10 and 295,298.60 is: 443,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,831.40 : 916,439.10 = 295,298.60 : x
  2. Step 2: Convert to fraction form
    610,831.40/916,439.10 = 295,298.60/x
  3. Step 3: Cross multiply
    610,831.40x = 916,439.10 × 295,298.60
  4. Step 4: Simplify right side
    610,831.40x = 270,623,183,215.26
  5. Step 5: Solve for x
    x = 270,623,183,215.26/610,831.40
  6. Step 6: Final answer
    x = 443,040.72

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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.