Home / 890,103.80-1,334,756.46-530,444.36

Finding the Fourth Proportional to 890,103.80, 1,334,756.46 and 530,444.36

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Solution

The fourth proportional to 890,103.80, 1,334,756.46 and 530,444.36 is: 795,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,103.80 : 1,334,756.46 = 530,444.36 : x
  2. Step 2: Convert to fraction form
    890,103.80/1,334,756.46 = 530,444.36/x
  3. Step 3: Cross multiply
    890,103.80x = 1,334,756.46 × 530,444.36
  4. Step 4: Simplify right side
    890,103.80x = 708,014,036,180.57
  5. Step 5: Solve for x
    x = 708,014,036,180.57/890,103.80
  6. Step 6: Final answer
    x = 795,428.62

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1.5x scale

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.