Home / 693,729.60-957,341.04-487,288.08

Finding the Fourth Proportional to 693,729.60, 957,341.04 and 487,288.08

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Solution

The fourth proportional to 693,729.60, 957,341.04 and 487,288.08 is: 672,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,729.60 : 957,341.04 = 487,288.08 : x
  2. Step 2: Convert to fraction form
    693,729.60/957,341.04 = 487,288.08/x
  3. Step 3: Cross multiply
    693,729.60x = 957,341.04 × 487,288.08
  4. Step 4: Simplify right side
    693,729.60x = 466,500,877,286.80
  5. Step 5: Solve for x
    x = 466,500,877,286.80/693,729.60
  6. Step 6: Final answer
    x = 672,453.47

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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.