Home / 890,895.88-1,229,614.95-528,520.92

Finding the Fourth Proportional to 890,895.88, 1,229,614.95 and 528,520.92

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Solution

The fourth proportional to 890,895.88, 1,229,614.95 and 528,520.92 is: 729,464.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,895.88 : 1,229,614.95 = 528,520.92 : x
  2. Step 2: Convert to fraction form
    890,895.88/1,229,614.95 = 528,520.92/x
  3. Step 3: Cross multiply
    890,895.88x = 1,229,614.95 × 528,520.92
  4. Step 4: Simplify right side
    890,895.88x = 649,877,224,619.75
  5. Step 5: Solve for x
    x = 649,877,224,619.75/890,895.88
  6. Step 6: Final answer
    x = 729,464.84

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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.