Home / 759,313.64-1,047,807.80-419,761.64

Finding the Fourth Proportional to 759,313.64, 1,047,807.80 and 419,761.64

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Solution

The fourth proportional to 759,313.64, 1,047,807.80 and 419,761.64 is: 579,246.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,313.64 : 1,047,807.80 = 419,761.64 : x
  2. Step 2: Convert to fraction form
    759,313.64/1,047,807.80 = 419,761.64/x
  3. Step 3: Cross multiply
    759,313.64x = 1,047,807.80 × 419,761.64
  4. Step 4: Simplify right side
    759,313.64x = 439,829,520,532.79
  5. Step 5: Solve for x
    x = 439,829,520,532.79/759,313.64
  6. Step 6: Final answer
    x = 579,246.17

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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.