Home / 890,271.72-1,228,573.22-482,384.59

Finding the Fourth Proportional to 890,271.72, 1,228,573.22 and 482,384.59

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Solution

The fourth proportional to 890,271.72, 1,228,573.22 and 482,384.59 is: 665,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,271.72 : 1,228,573.22 = 482,384.59 : x
  2. Step 2: Convert to fraction form
    890,271.72/1,228,573.22 = 482,384.59/x
  3. Step 3: Cross multiply
    890,271.72x = 1,228,573.22 × 482,384.59
  4. Step 4: Simplify right side
    890,271.72x = 592,644,783,531.32
  5. Step 5: Solve for x
    x = 592,644,783,531.32/890,271.72
  6. Step 6: Final answer
    x = 665,689.78

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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.