Home / 746,031.54-1,119,378.07-390,961.14

Finding the Fourth Proportional to 746,031.54, 1,119,378.07 and 390,961.14

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Solution

The fourth proportional to 746,031.54, 1,119,378.07 and 390,961.14 is: 586,615.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,031.54 : 1,119,378.07 = 390,961.14 : x
  2. Step 2: Convert to fraction form
    746,031.54/1,119,378.07 = 390,961.14/x
  3. Step 3: Cross multiply
    746,031.54x = 1,119,378.07 × 390,961.14
  4. Step 4: Simplify right side
    746,031.54x = 437,633,326,338.20
  5. Step 5: Solve for x
    x = 437,633,326,338.20/746,031.54
  6. Step 6: Final answer
    x = 586,615.05

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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.