Home / 428,153.40-590,831.28-246,875.40

Finding the Fourth Proportional to 428,153.40, 590,831.28 and 246,875.40

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Solution

The fourth proportional to 428,153.40, 590,831.28 and 246,875.40 is: 340,676.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,153.40 : 590,831.28 = 246,875.40 : x
  2. Step 2: Convert to fraction form
    428,153.40/590,831.28 = 246,875.40/x
  3. Step 3: Cross multiply
    428,153.40x = 590,831.28 × 246,875.40
  4. Step 4: Simplify right side
    428,153.40x = 145,861,708,582.51
  5. Step 5: Solve for x
    x = 145,861,708,582.51/428,153.40
  6. Step 6: Final answer
    x = 340,676.28

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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.