Home / 840,290.22-1,159,616.25-458,330.67

Finding the Fourth Proportional to 840,290.22, 1,159,616.25 and 458,330.67

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Solution

The fourth proportional to 840,290.22, 1,159,616.25 and 458,330.67 is: 632,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,290.22 : 1,159,616.25 = 458,330.67 : x
  2. Step 2: Convert to fraction form
    840,290.22/1,159,616.25 = 458,330.67/x
  3. Step 3: Cross multiply
    840,290.22x = 1,159,616.25 × 458,330.67
  4. Step 4: Simplify right side
    840,290.22x = 531,487,692,805.39
  5. Step 5: Solve for x
    x = 531,487,692,805.39/840,290.22
  6. Step 6: Final answer
    x = 632,504.91

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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.