Home / 746,593.80-1,120,034.70-320,123.40

Finding the Fourth Proportional to 746,593.80, 1,120,034.70 and 320,123.40

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Solution

The fourth proportional to 746,593.80, 1,120,034.70 and 320,123.40 is: 480,246.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,593.80 : 1,120,034.70 = 320,123.40 : x
  2. Step 2: Convert to fraction form
    746,593.80/1,120,034.70 = 320,123.40/x
  3. Step 3: Cross multiply
    746,593.80x = 1,120,034.70 × 320,123.40
  4. Step 4: Simplify right side
    746,593.80x = 358,549,316,281.98
  5. Step 5: Solve for x
    x = 358,549,316,281.98/746,593.80
  6. Step 6: Final answer
    x = 480,246.84

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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.