Home / 890,102.80-1,334,754.96-530,443.36

Finding the Fourth Proportional to 890,102.80, 1,334,754.96 and 530,443.36

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Solution

The fourth proportional to 890,102.80, 1,334,754.96 and 530,443.36 is: 795,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,102.80 : 1,334,754.96 = 530,443.36 : x
  2. Step 2: Convert to fraction form
    890,102.80/1,334,754.96 = 530,443.36/x
  3. Step 3: Cross multiply
    890,102.80x = 1,334,754.96 × 530,443.36
  4. Step 4: Simplify right side
    890,102.80x = 708,011,905,759.07
  5. Step 5: Solve for x
    x = 708,011,905,759.07/890,102.80
  6. Step 6: Final answer
    x = 795,427.12

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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.