Home / 610,647.03-842,141.34-381,225.57

Finding the Fourth Proportional to 610,647.03, 842,141.34 and 381,225.57

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Solution

The fourth proportional to 610,647.03, 842,141.34 and 381,225.57 is: 525,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,647.03 : 842,141.34 = 381,225.57 : x
  2. Step 2: Convert to fraction form
    610,647.03/842,141.34 = 381,225.57/x
  3. Step 3: Cross multiply
    610,647.03x = 842,141.34 × 381,225.57
  4. Step 4: Simplify right side
    610,647.03x = 321,045,809,204.03
  5. Step 5: Solve for x
    x = 321,045,809,204.03/610,647.03
  6. Step 6: Final answer
    x = 525,746.94

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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.