Home / 748,580.30-1,122,870.82-208,814.77

Finding the Fourth Proportional to 748,580.30, 1,122,870.82 and 208,814.77

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Solution

The fourth proportional to 748,580.30, 1,122,870.82 and 208,814.77 is: 313,222.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,580.30 : 1,122,870.82 = 208,814.77 : x
  2. Step 2: Convert to fraction form
    748,580.30/1,122,870.82 = 208,814.77/x
  3. Step 3: Cross multiply
    748,580.30x = 1,122,870.82 × 208,814.77
  4. Step 4: Simplify right side
    748,580.30x = 234,472,012,018.01
  5. Step 5: Solve for x
    x = 234,472,012,018.01/748,580.30
  6. Step 6: Final answer
    x = 313,222.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.