Home / 758,827.28-1,045,351.50-649,584.20

Finding the Fourth Proportional to 758,827.28, 1,045,351.50 and 649,584.20

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Solution

The fourth proportional to 758,827.28, 1,045,351.50 and 649,584.20 is: 894,859.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,827.28 : 1,045,351.50 = 649,584.20 : x
  2. Step 2: Convert to fraction form
    758,827.28/1,045,351.50 = 649,584.20/x
  3. Step 3: Cross multiply
    758,827.28x = 1,045,351.50 × 649,584.20
  4. Step 4: Simplify right side
    758,827.28x = 679,043,817,846.30
  5. Step 5: Solve for x
    x = 679,043,817,846.30/758,827.28
  6. Step 6: Final answer
    x = 894,859.52

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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.