Home / 648,883.42-895,432.02-373,220.30

Finding the Fourth Proportional to 648,883.42, 895,432.02 and 373,220.30

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Solution

The fourth proportional to 648,883.42, 895,432.02 and 373,220.30 is: 515,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,883.42 : 895,432.02 = 373,220.30 : x
  2. Step 2: Convert to fraction form
    648,883.42/895,432.02 = 373,220.30/x
  3. Step 3: Cross multiply
    648,883.42x = 895,432.02 × 373,220.30
  4. Step 4: Simplify right side
    648,883.42x = 334,193,407,134.01
  5. Step 5: Solve for x
    x = 334,193,407,134.01/648,883.42
  6. Step 6: Final answer
    x = 515,028.43

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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.