Home / 743,809.42-1,026,456.91-442,003.42

Finding the Fourth Proportional to 743,809.42, 1,026,456.91 and 442,003.42

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Solution

The fourth proportional to 743,809.42, 1,026,456.91 and 442,003.42 is: 609,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,809.42 : 1,026,456.91 = 442,003.42 : x
  2. Step 2: Convert to fraction form
    743,809.42/1,026,456.91 = 442,003.42/x
  3. Step 3: Cross multiply
    743,809.42x = 1,026,456.91 × 442,003.42
  4. Step 4: Simplify right side
    743,809.42x = 453,697,464,702.63
  5. Step 5: Solve for x
    x = 453,697,464,702.63/743,809.42
  6. Step 6: Final answer
    x = 609,964.67

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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.