Home / 839,674.43-1,158,750.80-457,701.21

Finding the Fourth Proportional to 839,674.43, 1,158,750.80 and 457,701.21

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Solution

The fourth proportional to 839,674.43, 1,158,750.80 and 457,701.21 is: 631,627.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,674.43 : 1,158,750.80 = 457,701.21 : x
  2. Step 2: Convert to fraction form
    839,674.43/1,158,750.80 = 457,701.21/x
  3. Step 3: Cross multiply
    839,674.43x = 1,158,750.80 × 457,701.21
  4. Step 4: Simplify right side
    839,674.43x = 530,361,642,676.34
  5. Step 5: Solve for x
    x = 530,361,642,676.34/839,674.43
  6. Step 6: Final answer
    x = 631,627.72

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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.