Home / 759,378.30-1,047,941.71-415,215.98

Finding the Fourth Proportional to 759,378.30, 1,047,941.71 and 415,215.98

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Solution

The fourth proportional to 759,378.30, 1,047,941.71 and 415,215.98 is: 572,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,378.30 : 1,047,941.71 = 415,215.98 : x
  2. Step 2: Convert to fraction form
    759,378.30/1,047,941.71 = 415,215.98/x
  3. Step 3: Cross multiply
    759,378.30x = 1,047,941.71 × 415,215.98
  4. Step 4: Simplify right side
    759,378.30x = 435,122,144,100.53
  5. Step 5: Solve for x
    x = 435,122,144,100.53/759,378.30
  6. Step 6: Final answer
    x = 572,997.86

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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.