Home / 580,000.32-799,938.72-479,223.36

Finding the Fourth Proportional to 580,000.32, 799,938.72 and 479,223.36

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Solution

The fourth proportional to 580,000.32, 799,938.72 and 479,223.36 is: 660,946.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,000.32 : 799,938.72 = 479,223.36 : x
  2. Step 2: Convert to fraction form
    580,000.32/799,938.72 = 479,223.36/x
  3. Step 3: Cross multiply
    580,000.32x = 799,938.72 × 479,223.36
  4. Step 4: Simplify right side
    580,000.32x = 383,349,321,192.50
  5. Step 5: Solve for x
    x = 383,349,321,192.50/580,000.32
  6. Step 6: Final answer
    x = 660,946.74

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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.